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17-03-2020
Mathematics

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A circle with radius of 4cm sits inside a circle with a radius of 11cm. What is the area of the shaded region?

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17-03-2020

Answer:

105π cm²

Step-by-step explanation:

Subtract the smaller area from the larger one to answer this question:

π(11 cm)² - π(4 cm)², or:

π(121 cm² - 16 cm²) = 105π cm²

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