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13, Fig. 15.12 shows two concentric circles withdiameter 100 cm and 80 cm. Find the areaof the shaded region. (Use t = 3.14)gramor aFin 15 12Fig. 15.13 |
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Answer» Answer: AREA of shaded portion =π(r 2 2
−r 1 2
) =3.14((50) 2 −(40) 2 ) =3.14×900 =2826 CM 3 |
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