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Olin [163]
3 years ago
8

A circle of diameter 14 cm was cut out of a square of cardboard with 20 cm sides. The area of the remaining piece of cardboard i

s given by "a" × 10b in cm2
History
1 answer:
alekssr [168]3 years ago
8 0

Answer:

246.06 cm².

Explanation:

Given,

Diameter of circle, d = 14 cm

Sides of cardboard = 20 cm

Area of the remaining piece = Area of square cardbord- Area of circle

=side^2-\frac{\pi}{4}d^2

=20^2-\frac{\pi}{4}\times14^2

=246.06 cm²

Hence, the area of the remaining piece of cardboard is 246.06 cm².

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