A 45° sector in a circle has an area of 13.75π cm². What is the area of the circle? Use 3.14 for pi. Enter your answer as a decimal in the box.cm²
Accepted Solution
A:
a circle is of 360° you know the area of 45° of the part. now if you divide 360 by 45 you'll get numbers of 45° sector that circle will have. 360/45=8 multiply the given area with8 i.e. 8×(13.75×3.14) =345.4 answer