Answer:
(B) 26°
Step-by-step explanation:
The angle at A made by the radius and the tangent is 90°. The angle at O is the same as arc AB, 64°. The acute angles in a right triangle are complementary, so the angle at C is the complement of 64°.
∠ACB = 90° -64°
∠ACB = 26°
Answer:
r = 51.96 inches
Step-by-step explanation:

Answer: a) 12
Step-by-step explanation: anything with parentheses means times (×)
i think that you are multiplying them so the answer is 3553.5
and if your adding it would be 122.1