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