Hint:
a sector is a pie-piece, similar to a slice of pizza.
The area of a sector of a given radius is proportional to the central angle.
Area of Sector
--------------
Area of circle
central angle
=-------------
360°
A sector in a circle of radius 8.1 m has an area of 53.5 m^2. The central angle in a sector must be _____o. Round to one decimal place.
3 answers
okay thanks!
You're welcome!
9 answers