Asked by levi

1. Rectangle ABCD is shown. What is the length of diagonal AC? Round to the nearest tenth, if necessary.
A_____________B
| |
| |
8 m |
| |
| |
D_____13 m____C

A. 10 meters
B. 10.2 meters**
C. 15 meters
D. 15.3 meters

I don't really know how to solve this one and need help!
Answered by levi
And, I was trying to make a square with the lines but that didn't work. The 8 m is on the left side of the square and the 13 m is on the bottom!
Answered by Ms Pi 3.14159265358979323
But you have a right triangle : )
Use the Pythagorean Theorem
C^2 = 8^2 + 13^2
and C is the length of your diagonal : )
Answered by levi
C^2 = 8^2 + 13^2
C^2 = 64 + 169
C^2 = 233
Square root of 233 would be 15.3!
Answered by MrRedeye
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