Question

AB

Round your answer to the nearest hundredth.
с
A
25°
B
( ANSWER? )

Answer 1

AB = 4/cos25

Put in calculator and put to the nearest hundredth or 2 dp

Explanation:

The angle 25 is the starting point and adjacent is 4 and the unknown or we will call it x is the hypotenuse.

We will use CAH

Cos25 = 4/x

We need x by itself so

x = 4/cos25

Put in calculator and put to the nearest hundredth or 2 dp

= ????