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Use the fact that the length of an arc intercepted by an angle is proportional to the radius to find the arc length given the circle area A = 25π cm2 and Θ = π4.

Respuesta :

wolf1728
Circle Area = PI * radius^2
25*PI = PI * radius^2
radius = 5
central angle = PI*4
arc length = PI*4 * 5
arc length = 20*PI = 62.8318530718




Answer:

Step-by-step explanation: 5 pie /4 cm

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