There is a circular park of radius $120 m$ . The trustees decide to construct an inner jogging area of width $20 m$ in the park. What will be the radius of the inner edge of the jogging area?

100 m

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130 m

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140 m

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80 m

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Solution

The correct option is D $100 m$
Inner radius = Outer radius – width of jogging area $= 120 - 20 = 100 m$

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There is a circular park of radius 120 m. The trustees decide to construct an inner jogging area of width 20 m in the park. What will be the radius of the inner edge of the jogging area?

The correct option is D 100 mInner radius = Outer radius – width of jogging area =120–20=100m

There is a circular park of radius $120 m$ . The trustees decide to construct an inner jogging area of width $20 m$ in the park. What will be the radius of the inner edge of the jogging area?

The correct option is D $100 m$
Inner radius = Outer radius – width of jogging area $= 120 - 20 = 100 m$