Question

Two of the sides of a triangle are 7 inches

and 8 inches. If the third side is a whole
number of inches, what is its greatest
possible measure?

Answer 1

11 inches

Explanation:

7^2+8^2=c^2

49+64=c^2

113=c^2

square root both side

c=10.63014581

round up and get c=11

hope this helped :)