We know that in a parallelogram, adjacent angles are supplementary. 2-XÇ¥-t0 3. 22 In the diagram below of right triangle ACB, altitude CD is drawn to hypotenuse AB. 5. What is the value of x? 24. 6. HIJK is a parallelogram because the midpoint of both diagonals is _____ 2)7,) means the diagonals bisect each other. O' 0k If AB = 36 and AC = 12, what is the length of AD? below. Which of the following statements are true? 2. rnZA In the accompanying diagram of parallelogram ABCD, number of degrees in m.LB Explain your reasoning. Given Perpendicular lines form right angles, all of which are congruent. SAS Theorem CPCTC A parallelogram with a pair of adjacent, congruent sides must be a rhombus (see #4). PA PB (S) 2. Given. If m∠DAB =32°, what is m∠BDC? Tangents from same external point are . PA and PB are tangents. Find the area of a rhombus with side length 6 and an interior angle with measure 120 degrees. 17 In the diagram below of ACD, DB is a median to AC, and AB ≅DB. 4. The diagonals of a parallelogram bisect each other. In the diagram below of parallelogram ABCD, Question 25 Score 2: The student gave a complete and correct response. OP OP (S) 5. 1) 32º 2) 52º 3) 58º 4) 64º 18 If the rectangle below is continuously rotated about side w, which solid figure is formed? The diagram below shows parallelogram ABCD with diagonals AC and BD intersecting at E - 20465542 COMMON CORE MATHEMATICS CURRICULUM UNIT 6 - QUADRILATERALS REVIEW Review Geometry CC Period: Name. 2. In the diagram below, and are tangent s to circle O, and are radii, and intersects the circle at C. Prove: Statements Reasons 1. 3. (2X+ 10)' (2x+ 10) and rnZB — F nd the (B) A quadrilateral is a rhombus if it is a parallelogram. 25. Show that (i) It bisects ∠C also, (ii) ABCD is a rhombus. 1) pyramid 2) rectangular prism 3) cone 4) cylinder 19 In the diagram below, the circle shown has radius 10. Answer: A = 150° Step-by-step explanation: In the parallelogram ABCD, A and D are adjacent angles. In the parallelogram below, AB is parallel to CD and x-y=40 what is y? (A) A quadrilateral is a parallelogram if it is a rhombus. 1. An 18-inch by 21-inch rectangle will be removed for the installation of the sink. 1. Reflexive property. OA and OB are radii. - 1427736 Radii in the same circle are . OA OB (S) 4. #13: In the diagram below, ATVPQ is a parallelogram whose diagonals are perpendicular. E -10 What is the value of x? 3. Use this space for computations. 1. 2. 1. Given. In the accompanytng diagram of parallelogram ABCD, diagonals AC and intersect BD at E, and ED 10. "Question 6 Diagonal AC of a parallelogram ABCD bisects ∠A (see the given figure). What is the area of the top of the installed countertop, to the nearest square foot? (1) 32 (3) 3 (2)6 23 In the diagram of circle O below, chord AB intersects chord CD at £, DE = 2x + 8, EC = 3, AE = 4x-3, and EB = 4. 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