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Review for Coordinate Geometry Proofs Exam€¦ · Use coordinate geometry to prove that a....

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Name ___________________________ Date ________ Per. _______ Geometry Honors Review for Coordinate Geometry Proofs Exam 1. 2.
Transcript
Page 1: Review for Coordinate Geometry Proofs Exam€¦ · Use coordinate geometry to prove that a. quadrilateral JACK is a trapezoid. b. quadrilateral JACK is not isosceles. The vertices

Name ___________________________ Date ________ Per. _______ Geometry Honors

Review for Coordinate Geometry Proofs Exam

1.

2.

Page 2: Review for Coordinate Geometry Proofs Exam€¦ · Use coordinate geometry to prove that a. quadrilateral JACK is a trapezoid. b. quadrilateral JACK is not isosceles. The vertices

3.

4.

Page 3: Review for Coordinate Geometry Proofs Exam€¦ · Use coordinate geometry to prove that a. quadrilateral JACK is a trapezoid. b. quadrilateral JACK is not isosceles. The vertices

5.

6.

Page 4: Review for Coordinate Geometry Proofs Exam€¦ · Use coordinate geometry to prove that a. quadrilateral JACK is a trapezoid. b. quadrilateral JACK is not isosceles. The vertices

7.

8.

Page 5: Review for Coordinate Geometry Proofs Exam€¦ · Use coordinate geometry to prove that a. quadrilateral JACK is a trapezoid. b. quadrilateral JACK is not isosceles. The vertices

Answer Key

1.

2.

3. 8.

4.

5.

6.

7. a. AB= BC = CD = DA = 10.

b. 96

c. 9.6

𝐴𝑠𝑞𝑢𝑎𝑟𝑒 = 𝑠2 = 92 = 81

𝐴𝐼 = 1

2𝑏ℎ =

1

2∗ 9 ∗ 3 = 13.5

𝐴𝐼𝐼 = 1

2𝑏ℎ =

1

2∗ 9 ∗ 9 = 40.5

𝐴 = 81 − (13.5 + 40.5)

𝐴 = 81 − 54

𝐴 = 27 𝑠𝑞𝑢


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