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FJOY888IN
Answered

the concentric circles circles that have the same center have radii of 15 cm and 21 cm the central angle is 45 degrees find the area of the portion of the sector of the larger circle which is outside the smaller circle​

Sagot :

C41992IN

Answer:

216π cm²

Step-by-step explanation:

Area of the sector of larger circle outside the smaller = area bigger Circle - area smaller circle

a = π(21²) - π ( 15²)

a = 216π

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