Need help finding the trigonometric ratio for A

Question

asked Apr 16, 2024 167k views

1 Answer

Arlene Batada · Answer 1 · 2024-04-23T06:47:35+0000

Answer:

cos A =
(4)/(5)

Explanation:

In relation to ∠ A

the side opposite is BC

the side adjacent ( next to ) is AC

the hypotenuse is the side opposite the right angle

Then

cos A =
(adjacent)/(hypotenuse) =
(AC)/(AB) =
(20)/(25) =
(4)/(5)