5 Points
Nathan wants to use coordinate geometry to prove that the opposite sides of a rectangle are congruent. He places parallelogram $ A B C D $ in the coordinate plane so that $ A $ is $ (0,0), B $ is $ (a, 0), C $ is $ (a, b) $, and $ D $ is $ (0, b) $.

What formula can he use to determine the distance from point $ C $ to point $ D ? $
A. $ (a-b)^{2}+(b-b)^{2}=a^{2} $
B. $ (a-0)^{2}+(0-0)^{2}=a^{2} $
C. $ \sqrt{(a-0)^{2}+(b-b)^{2}}=\sqrt{a^{2}}=a $
D. $ \sqrt{(a-0)^{2}+(0-0)^{2}}=\sqrt{a^{2}}=\partial $

Question

5 Points
Nathan wants to use coordinate geometry to prove that the opposite sides of a rectangle are congruent. He places parallelogram $ A B C D $ in the coordinate plane so that $ A $ is $ (0,0), B $ is $ (a, 0), C $ is $ (a, b) $, and $ D $ is $ (0, b) $.

What formula can he use to determine the distance from point $ C $ to point $ D ? $
A. $ (a-b)^{2}+(b-b)^{2}=a^{2} $
B. $ (a-0)^{2}+(0-0)^{2}=a^{2} $
C. $ \sqrt{(a-0)^{2}+(b-b)^{2}}=\sqrt{a^{2}}=a $
D. $ \sqrt{(a-0)^{2}+(0-0)^{2}}=\sqrt{a^{2}}=\partial $

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absolutely FOR FREE!