What is the measure of angle A, to the nearest degree?

Question

asked Aug 12, 2023 118k views

1 Answer

Megidd · Answer 1 · 2023-08-17T22:32:48+0000

We will solve it using the trigonometric ratio i.e. SOH

$\boxed{ \sf \: \sin( \theta) = (opposite)/(hypotenuse) }$

In our case,

$\tt \sin( \theta) = (20)/(25)$

$\tt \sin( \theta) = (4)/(5)$

$\tt \theta = \arcsin( (4)/(5) )$

$\tt \theta = 53.1 \degree$