Math, asked by baltejs817, 7 months ago


If the circumference of the outer circle is 176 m and that of the inner circle is 132 m in the figure
given alongside, find the area of the shaded region.​

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Answered by rinsybeo
3

The difference between the outer circle and the inner circle (R-r) = 7 cm.

The circumference of outer circle is given as 132 cm.

Finding the radius of the outer circle,

2πR = 132

R = 21 cm

Now circumference of inner circle is given as 88 cm.

Finding the radius of inner circle,

2πr = 88

r = 14 cm

Now we have to find the difference between the radii

(R-r) = (21-14) = 7 cm

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