Asked by deion

What is the area of a sector where n= the measure of the central angle, r=radius, and d=diameter. n=90 degrees, d=18cm
Answered by daniel
taibg tihygta tyq
Answered by Henry
Ac = 3.14*r^2 = 3.14 * 9^2=254.48cm^2 = Area of the circle.

A sector is a fraction of a circle.
As = (90/360)254.48,
As = (1/4)254.48 = 63.6cm^2.



Answered by Ariana
I NEED HELP ON MY mATH!!!!!
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