Adnaannoor Adnaannoor
  • 25-01-2020
  • Biology
contestada

a circle has a circumference of 44 metres what is its area​

Respuesta :

ednorobello92 ednorobello92
  • 25-01-2020

Answer: A = 154 m²

Explanation: First solve for radius r

Using circumference formula

C= 2πr

Derive to find r:

r = C / 2π

= 44 m / 2 ( 3.14 )

= 7 m²

Solve for area

A = π r²

= ( 3.14 ) ( 7 m )²

= 154 m²

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izzybroadbent07
izzybroadbent07 izzybroadbent07
  • 25-01-2020
Area of a circle = 3.142xr to the power of 2
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