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Harlamova29_29 [7]
3 years ago
14

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

Mathematics
1 answer:
siniylev [52]3 years ago
3 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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