Well 6^2 is 36 so my best estimate is 6
1/2 as a decimal is 0.5 or .5
Answer:
r = 51.96 inches
Step-by-step explanation:

Answer:
6x is the answer of your question
ANSWER

EXPLANATION
From the mnemonics SOH-CAH-TOA.
We want to find the cosine of y
CAH means cosine ratio involves adjacent over the hypotenuse.

From the right by triangle, the side ajacent to angle y is 64 units and the hypotenuse is 80 units.

