jacquiknapp1427 jacquiknapp1427
  • 07-08-2017
  • Mathematics
contestada

Find the radius of a circle whose area equals the area of a rectangle that measures 2 ft. by 11 ft. (Use = 22/7) 7/2 ft. √7 ft. 0.5√(14) ft.

Respuesta :

Аноним Аноним
  • 07-08-2017
First of all, the two figures are equivalent. Find the area of the rectangle and you'll get the area of the circle

A(r) = A(c) = W*L = 2*11 = 22 ft²

A(c) = πr²

π = 22/7

So

22/7*r² = 22

Multiply both sides for 7/22 to get rid of the fraction.

7/22 * 22/7 * r² = 22 * 7/22

r² = 7

r = √7
Answer Link
rosejimenez201181
rosejimenez201181 rosejimenez201181
  • 27-04-2021

Answer:

7 sq ft

Step-by-step explanation:

Answer Link

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