You can use the Pythagorean Theorem to prove the Distance Formula. Let points P(x1, y1 ) and Q(x2 , y2) be the endpoints of the hypotenuse of a right triangle. a. Write an algebraic expression to complete each of the following: PR = ? and QR = ? . b. By the Pythagorean Theorem, PQ squared = PR squared + QR squared . Rewrite this statement by substituting the algebraic expressions you found for PR and QR in part (a) c. Complete the proof by taking the square root of each side of the equation that you wrote in part (b).
You can use the Pythagorean Theorem to prove the Distance Formula. Let points P(x1, y1 ) and Q(x2 , y2) be the endpoints of the hypotenuse of a right triangle. a. Write an algebraic expression to complete each of the following: PR = ? and QR = ? . b. By the Pythagorean Theorem, PQ squared = PR squared + QR squared . Rewrite this statement by substituting the algebraic expressions you found for PR and QR in part (a) c. Complete the proof by taking the square root of each side of the equation that you wrote in part (b).
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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You can use the Pythagorean Theorem to prove the Distance Formula. Let points P(x1, y1 ) and Q(x2 , y2) be the endpoints of the hypotenuse of a right
a. Write an algebraic expression to complete each of the following: PR = ? and QR = ? .
b. By the Pythagorean Theorem, PQ squared = PR squared + QR squared . Rewrite this statement by substituting the algebraic expressions you found for PR and QR in part (a)
c. Complete the proof by taking the square root of each side of the equation that you wrote in part (b).
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