Agunia2017 Agunia2017
  • 06-04-2017
  • Mathematics
contestada

In a circle a 180 degree sector has a area 98 pie in square.What is the radius of the circle?

Respuesta :

wolf1728
wolf1728 wolf1728
  • 06-04-2017
sector area = central angle / 360 * PI * radius^2
98 PI = (1 / 2) * PI * radius^2
radius^2 = 196
radius = 14


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