The lengths of two sides of a right triangle are given. Find the length of the third side. Round to the nearest tenth if necessary. legs: 28 in. and 15 in.
A. 37.5 in.

B. 23.6 in.

C. 29.6 in.

D. 31.8 in.

Question

The lengths of two sides of a right triangle are given. Find the length of the third side. Round to the nearest tenth if necessary. legs: 28 in. and 15 in. 
 A. 37.5 in.  
 
 B. 23.6 in.  
 
 C. 29.6 in.  
 
 D. 31.8 in.

anonymous · Answer

Since it is a right triangle and you know two side lengths all you need is the Pythagorean Theorem. $$a^{2} + b^{2} = c^{2}$$Where 'a' and 'b' are the legs and 'c' is the hypotenuse.

anonymous · Answer

like that 282+152=c2
784+225=c2
c=1009
c2=31.764
c2=31.8

anonymous · Answer

Yes that's it. (sorry, working on something else and forgot to check back)

anonymous · Answer

its ok thanks a lot