Answer:
Option A, 26°
Step-by-step explanation:
In the given right angle triangle we have to find the nearest measure of angle A.
By cosine law,
[tex]cosA=\frac{Base}{Hypotenuse}[/tex]
[tex]=\frac{18}{20}[/tex]
= ( 0.90)
A = [tex]cos^{-1}(0.90)[/tex]
= 25.84°
≈ 26°
Option A is the answer.
