Question

from a circular sheet of radius 8cm, a circular sheet of radius 6cm is removed find the area of remaining sheet​

Answer 1

Step-by-step explanation:

To find the area of the remaining sheet

Area of remaining sheet= Area of total sheet-Area of removed sheet

$= \pi {r_{1}}^{2} - \pi {r_{2}}^{2} \\ = \pi( {r_{1}}^{2} - {r_{2}}^{2} ) \\ = 3.14( {8}^{2} - {6}^{2} ) \\ = 3.14(64 - 36) \\ = 3.14 \times 28 \\ = 87.92 {cm}^{2}$

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