Question

A triangle has side lengths 7 and 4. How long is the third side, c?

Answer 1

9

Explanation:

Answer 2

5,7, or 9

Explanation:

a,b and c are the sides of a triangle if it satisfies:

a<b+c , b<a+c and c<b+a

Here, a=4 and b=7

We have to find c

i.e. all those c which satisfies:

4<7+c , 7<4+c and c<4+7=11