4 Answers. This will give you the cost per square inch of the pizza. 12 + (9 / 12) = 12.75 . Radius is 1/2 diameter, or in your case, 3 inches. fluid ounce = cubic inch * 0.554112554. fluid ounce = cubic inch / 1.8046875 Try just using the formula for the area of a circle: PI * Radius Squared If the diameter is 5", the radius is 2.5" 2.5"^2 * PI 6.25 * 3.1415927 = 19.6349540849 (what Sandra said) . The area of a square is the space contained within a set of lines. Area of a circle is given by radius squared * pi. Question: “If a pizza has a 14 inch radius, how many square inches of pizza are there?” That’s a big pizza! Lessons, 4. How Many Square Inches In 12 Inch Diameter Circle? 0 0. This concept can be of significance in geometry, to find the perimeter, area and volume of solids. Raj K. Lv 7. What is the area of a circle with a DIAMETER of 14 inches (radius of 7 inches )? Area of a 9 Inch Circle. Answer: 113 1/7 square inches. Units. The area of a circle is the diameter x diameter x 0.7854. A=pi*r^2 A=3.14(6^2) … Diameter. follow. If the diameter is six feet, nine inches, enter “6.75”. How far around is a circle that is 12 inches across? Area of a circle = pi r^2 where r is the radius. And then if you want to calculate that into lbs. General Info, 7. How to convert cubic inches to fluid ounces? Thank Writer; Comment; Blurt; thanked the writer. That’s why it’s so important to read 12 in² as twelve square inches! 0 0. unless you don't have a computer handy! Circumference of a 12″ diameter circle. To convert cubic inches to fluid ounces, multiply the cubic inch value by 0.554112554 or divide by 1.8046875. cubic inches to US fluid ounces formula. How many square inches are in an 12 inch round circle? Post Dimensions. Divide the price of the pizza by the number of square inches. What is a Square Inch? His kitchen floor is 12 feet and 3 inches wide and 12 feet and 9 inches long. The area of other shapes (circles, triangles, etc.) Jun Agruda. Favorite Answer. 1 decade ago. Whitney Matthews. . Examples: If the depth is ten inches, enter “10”. Anonymous answered . Diameter. George. 1 decade ago. 2. of RTV. A = pi(8)^2 = pi(64). Area of a 9″ diameter circle. So “12 inches squared” is a long distance of 144 inches and “12 square inches” is a 3 by 4 inch area. Hence the area is pi*6^2 = 36pi square inches, or approx 113.1 square inches please thanks 10 points. The radius of the circle is , half the diameter = #d/2 = 10/2 = 5# inches. ft. in. Or 2 by 6. blurted this. Filed Under: 2. 1 0. followin. A circle with a 14 inch diameter has an area of 153.9 sq inches. The area #= pir^2 = 3.14 xx (5)^2# #=3.14 xx (25)# #=78.5# square inches. 12 + (3 / 12) = 12.25. 2 (8 x 4-inch) loaf pans1 (9-inch) tube pan; 2 (9-inch) round cake pans; 1 (10-inch) Bundt pan; 2 (11 x 7-inch) baking dishes; 2 (8-inch) round cake pans 8-inch square baking dish 8 cups Calculate loved his newly tiled bathroom so much he decided to tile the kitchen floor. 63.617: square inches: 0.44179: square feet: 0.049087: square yards: 0.041043: square meters: 410.43: square centimeters (results may be rounded) Area of a Circle Formula. ft. in. Favorite Answer = (12/2)²22/7 = (6)²22/7 = 36(22/7) = 792/7 or 113 1/7. *Square Inches is also known as (a.k.a) square inch, square in, SqIn, Sq.In., sq.in., in2 & in 2 **This Calculator also calculates square feet, total height in feet, total height in inches, total length in feet and total length in inches. The diameter of a circle is the circumference multiplied by 0.31831. how many square inches are in 12 inch diameter circle? Units. If the diameter is seven feet, four inches, enter “7.33”. Lv 7. So, the area of a 20-inch round pizza is 314 square inches. The area of a circle is pi*r^2, where r is the radius. A = (3.14)(64) = 200.96 sq in. r is the radius, and the radius is half of the diameter. so, A = πr² . If you’re not sure what size hole to dig, a rule of thumb is to use a hole diameter 3 times the post diameter and 1 ⁄ 3 as deep as the post height. A "square inch" is a unit of area measurement equal to a square measuring one inch on each side. Mr. For a rectangle, simply take the measurements of the long side and the short side of a rectangular one and multiply them, i.e. Lv 7. in. So for each of your diameters, the radius is: 11, 8, and 6. The area of an oval is the longest diameter x the shortest x 0.7854. 9×13=117 square inches. #approxcolor(blue)(79# square inches. A = πd²/4 = π x 12²/4 = π x 144/4 = π x 36 = 113.097 square inches. take 630 divided by 453 grams per lb. Radius = 1/2 diameter. For a circle, the Area, A = ( pi ) r^2 A = (3.1416 ) (14 )^2 = 616 square inches (rounded) A decimal can be used if the measurement is not a whole number. Approximately 12.56 square inches (and all cicrcles are round!). The circle calculator, formula, example calculation (work with steps), real world problems and practice problems would be very useful for grade school students (K-12 education) to understand the concept of perimeter and area of circle. Formula for a Round Mold: Pi x Radius (squared) x Height Example: The diameter of a mold is 4" (the radius would then be half of that being 2") and the height is 3". Using pi = 3.14. Diameter. The area of a circle is given by formula: #color(blue)(pir^2# Where, #pi# has a constant value of #3.14# and #r# denotes the radius. In the second field, labeled “Depth (Inches)” enter the depth, in inches, of the cylinder. Area of a 14″ diameter circle. 5 Answers. Area of a Square= Side length x Side length Answer = (Side length x Side length) square area These lines should be measured in feet (ft) for square footage calculations and if needed, converted to inches (in), yards (yd), centimetres (cm), millimetres (mm) and metres (m). Our circle area calculator, ... To convert among square feet, square inches, square yards, square centimetres, square millimetres and square meters you can utilize the following conversion table. So for the 12 inch circle, the radius is 6. The formula for the area (A) of a circle is A = πr² but this can also be stated as πd²/4 where r and d are the radius and diameter respectively. If the diameter of the circle is 12", then the radius is 6" (half the diameter), and the area "A" is (approximately) 3.14 * 6^2 or about 113.04 sq. Calculate how many yards or how many bags of concrete are needed for a set of post holes by entering the post diameter and hole size. Determining the square inches (also written as in 2) in any two-dimensional area is usually a fairly straightforward process.In the simplest cases, when the area in question is in the shape of a square or rectangle, the area in square inches is given by the equation width × length. What is the area of a circle with a DIAMETER of 9 inches (radius of 4.5 inches)? What is the circumference of a circle with a diameter of 12 in? The square of the radius is 36, and multiplying this by pi gives approximately 113.1 square inches. 1 Cubic inch is equal to 0.554112554 US fluid ounce. Diameter, d=12 iches. ft. in. 2 Answers. 1 decade ago. Answer Save. Vin Ginge answered . A = pi(6)^2 = pi(36) = 113.04 sq in. With a diameter of 12", we have a radius of 6". Area of a circle is simply, number of square units fit into a circle. 10 Square Inches to Circular Inches = 12.7324: 800 Square Inches to Circular Inches = 1018.5916: 20 Square Inches to Circular Inches = 25.4648: 900 Square Inches to Circular Inches = 1145.9156: 30 Square Inches to Circular Inches = 38.1972: 1,000 Square Inches to Circular Inches = 1273.2395: 40 Square Inches to Circular Inches = 50.9296 So Area = 3^2 pi or 9 pi which is 28.27 square inches. Source(s): Self. inches Online calculators are great . Oneballeddie. Example: You want a finished 12″ diameter base (a 12″ diameter circle) in a duffle bag. 153.94: square inches: 1.0690: square feet: 0.11878: square yards: 0.099315: square meters: 993.15: square centimeters (results may be rounded) Area of a Circle Formula. Relevance. Relevance. Answer Save. Re: 5" circle ='s how many sq. 12.25 x 12.75 = 156.1875 ft² Diameter: Hole Dimensions. = 1.39 lbs. in Homework Help . 5 years ago. A circle is 0.7854 times as heavy as a square of the same size. Area , A= πd²/4 =π×12²/4=36π =113.097 square inches . You get my drift. The circumference of a circle is the diameter x 3.1416. So if the radius of the circle is 12", then the area "A" is (approximately) 3.14 * 12^2 or about 3.14 * 144 = 452.16 square inches. Here is a conversion table for pan sizes that has been brought to you courtesy of joyofbaking website it is very useful when converting baking pan sizes from round tins square and many more.. hope this helps .. … Units. 6. How many square inches in a 16 and 12 inch in diameter circle? 30 cubic inches x 21 grams per cubic inch = 630 grams of RTV needed. Circumference of a 12 Inch Diameter Circle. The circumference of a circle can be defined as the distance around the circle, or the length of a circuit along the circle. Beside above, how many square inches are in a 12 inch circle? Anonymous. square inches of a circle, or area of a circle = πr² . 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