jaycie13danielle jaycie13danielle
  • 06-03-2019
  • Mathematics
contestada

in a circle a 45° sector has an area of 32pi cm^2. what is the radius of this circle
A)16cm
B)8cm
C)32cm
D)12cm

Respuesta :

tatyanaking579
tatyanaking579 tatyanaking579
  • 06-03-2019

Answer:

Step-by-step explanation:

It is given that, 45/360 * πr² = 32π

1/8 * πr² = 32π

πr² = 256π

r² = 256

r = √256

r = 16

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