Question

Can you help me with this?

Answer 1

11.2 cm

Explanation:

By Pythagoras Theorem:

Length of diagonal

`= \sqrt{ {10}^(2) + {5}^(2) } \\ \\ = √(100 + 25) \\ \\ = √(125) \\ \\ = 11.1803399 \\ \\ \approx 11.2 \: cm`

Answer 2

11

Explanation:

apply pythagoras theorem