Asked by Emma
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.
Answers
Answered by
MathMate
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 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°
Answered by
Emma
okay thanks!
Answered by
MathMate
You're welcome!
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