The cosine ratio is adjacent leg divided by the hypotenuse.
The hypotenuse in a right triangle is the longest side and it is opposite the right angle.
An adjacent leg is the side that has an endpoint that is at the vertex of the angle and the other endpoint is at the vertex of the right angle.
cos A =

ANSWER:
Answer:
Square root of 65
Its c
Please make me the brainliest because I havent got even 1 yet :(
16/20 = 100/x
1.) 4/5 = 100/x
Simplify the fraction so it’s easier!
2.) 4x = 500
Cross multiply.
3.) x = 125
Divide both sides by 4 to keep it even.