<span>9·52 mm is the correct answer</span>
Answer:
We know angle AOC is a right triangle,
therefor
90 - 73 = x
Angle X is 17.
Diameter is radius plus radius so its 14. Circumference is radius times pi which is 3. 14 so the answer for Circumference is 43.98.
Area is 153.94 the formula is A= nr to the power of two
