3 years ago

In a circle, a 270degrees sector has area 75pi inches squared. What is the radius of the circle?

1 answer:

6 0

A 270 degree of sector = 0.75 of its area
area = π r²
so,
      0.75 π r² = 75 π

       r² = (75 π)/( 0.75 π) = 100

       r = +√100 = 10
so
    The radius of the circle is 10 in

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In a​ circle, a 270degrees sector has area 75pi inches squared. What is the radius of the​ circle?

In a circle, a 270degrees sector has area 75pi inches squared. What is the radius of the circle?