Answer:
[tex]\cos B=\dfrac{9}{41}[/tex]
Step-by-step explanation:
Given that,
Hypotenuse = 82 units
Base = 80 units
Height = 18 units
We need to find the value of cos B.
We know that,
[tex]\cos\theta=\dfrac{Base}{Hypotenuse}[/tex]
For angle B, Hypotenuse = 82 units, Height = 80 units and base = 18 units
[tex]\cos B=\dfrac{18}{82}\\\\\cos B=\dfrac{9}{41}[/tex]
Hence, the correct option is (A).
