Question

solve this step by step???​

Answer 1

Answer:

The answer to your question is 11cm

Step-by-step explanation:

The two sides of triangle whose sum is equal to third side of triangle is a possible triangle.

So,

7+4=11

Hope you find it helpful.

Answer 2

Answer:

4²+7²= 16+49= 65

Step-by-step explanation:

4²+7²= 16+49= 65

4²+7²=x²

therefore

x²=65

x=√65