A circle is drawn within a square as shown. What is the best approximation for the area of the shaded region? Use 3.14 to approximate pi.

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13-02-2017
Mathematics

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A circle is drawn within a square as shown. What is the best approximation for the area of the shaded region? Use 3.14 to approximate pi.

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HomertheGenius HomertheGenius · Answer 1 · 2017-02-20T22:44:21+01:00

HomertheGenius HomertheGenius

20-02-2017

Area of the square:
A ( square ) = 10² = 100
Area of the circle:
A ( circle ) = 5² π = 25 · 3.14 = 78.5
Area of the shaded region:
A = 100 - 78.5 = 21.5
Answer:
A ) 21.5 cm²

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