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 of 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
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Answer Key
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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