Question

A bridge across a river makes an angle 45 degree with never bank if the length of the bridge across river is 150m what is the width

Answer 1

Answer:

you can find it by using trigonometric ratio

please mark it as a brainlist answer

Answer 2

Answer:

$75\sqrt{2} m$

Step-by-step explanation:

In triangle ABC-

sin 45= P/H

$\frac{1}{\sqrt{2} }$ = BC/AC

$\frac{1}{\sqrt{2} }$= BC/ 150

$\frac{150}{\sqrt{2} }$= BC

Rationalizing it, we get-

$\frac{150*\sqrt{2} }{\sqrt{2}*\sqrt{2} }$ = BC

$75\sqrt{2}m$ = Width of the river