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Mathematics 20 Online
OpenStudy (anonymous):

Given: The coordinates of rectangle DEFG are D(0, b), E(a, b), F(a, 0), and G(0, 0). Prove: The diagonals of a rectangle are congruent. As part of the proof, find the length of DF A. mc135-3.jpg B. mc135-5.jpg C. mc135-6.jpg D. mc135-4.jpg

OpenStudy (anonymous):

A. a-b (square rooted) B. a^2-b^2 (square rooted) C. a^2+b^2 (square rooted) D. a+b (square rooted)

OpenStudy (anonymous):

Please help

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