Four circular cardboard pieces of radii 7 cm are placed on a paper in such a way that each piece touches other two pieces. Find the area of the portion enclosed between these pieces.

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asked Nov 15, 2019 65.8k views

4 votes

Four circular cardboard pieces of radii 7 cm are placed on a paper in such a way that each piece touches other two pieces. Find the area of the portion enclosed between these pieces.

Mathematics
middle-school

Dtracers asked

by Dtracers

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Required area of shaded portion

= Area of square ABCD - 4 × area of one quadrant

= 14 * 14 - 4 * (90)/(360) * (22)/(7) * (7) * (7)

$= 196 - 154 = 42 \: cm {}^(2)$

Four circular cardboard pieces of radii 7 cm are placed on a paper in such a way that-example-1

Zdimension answered Nov 21, 2019

by Zdimension

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