Question

In rectangle ABCD, AD=6 and AB=8. What is the measure of diagonal AC

Answer 1

Use pythagorean theorem. You get sqrt(36 + 64),which gets you AC = 10

Answer 2

6^2 times 8^2 = 36x64=2,304
the square root of 2,304 is 48
so, 48 is the measure of AC.
hope this helps:)