What is the length of the diagonal in the rectangle below? Round to the nearest hundredth.
http://static.k12.com/eli/bb/811/7537/0/2_36606_44211/7537/e818d1889d328e4d6e41588dc45ad27365a60242/media/ede8d7d40ae5f23b479ec12e4fbd9e8bc880533e/mediaasset_649317_1.gif

Question

What is the length of the diagonal   in the rectangle below? Round to the nearest hundredth.
http://static.k12.com/eli/bb/811/7537/0/2_36606_44211/7537/e818d1889d328e4d6e41588dc45ad27365a60242/media/ede8d7d40ae5f23b479ec12e4fbd9e8bc880533e/mediaasset_649317_1.gif

anonymous · Answer

I can help you with this.  :D
First, let's figure out where the diagonal would be:

anonymous · Answer

alright!

anonymous · Answer

Great! Give me just a second to set up my explanation.  :D

anonymous · Answer

Okay cool!

alexandervonhumboldt2 · Answer

use Pythagorean theorem theorem:
DC=9
BC=5

a^2+b^2=c^2
9^2+5^2=c^2
c^2=106
c=10.29

alexandervonhumboldt2 · Answer

c is diagonal

anonymous · Answer

Well, unfortunately, he got it first. I apologize for not being quick enough. However, I can say that that answer is correct. Personally, I would round it to 10.30 because the hundredths place would have to round up.  ;D

alexandervonhumboldt2 · Answer

well it might be 29 or 30 because the next digit is 5.

anonymous · Answer

I understand what you mean. Well, it is to your preference, then.  ^_^