Question

What is the maximum width of the mail slot?

Answer 1

Step-by-step explanation:

Using Pythagoras theoram,

AC²= AB²+BC²

$AC= \sqrt{ {AB}^{2} + {BC}^{2} }$

$= \sqrt{ {24}^{2} + {7}^{2} }$

$= \sqrt{576 + 49} = \sqrt{625}$

$= 25 \: cm$