Question

If the two circles has the same centre, the radius of larger circle is 10cm and the radius of smaller circle is 4cm then, find the shaded area between the two circles
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Answer 1

Answer:

The area of the shaded portion is 264.04 cm²

Step-by-step explanation:

Solution:

Area of circle = πr²

Area of shaded region = Area of large circle - Area of smaller circle

                                      = πR² - πr²            (R = Radius of large circle

                                                                          r = Radius of small circle)

                                      = (22/7 x 10 x 10) - (22/7 x 4 x 4)

                                      = (314.28) - (50.24)

                                      = 264.04 cm²

Area of the shaded portion is 264.04 cm²

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Answer 2

Answer:

264cm²

Step-by-step explanation:

area of larger circle= πXr²=22/7X10X10=314.28cm²

area of smaller circle=22/7X4X4=50.28cm²

area of shaded portion =314.28-50.28=264cm²

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