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The area of a circular path of unifor...

The area of a circular path of uniform width `h` surrounding a circular region of radius `r` is
(A) `pi (h+2r)r`
(B)`pi h(2r+h)dot`
(C) `pi (h+r) r`
(D) `pi (h+r) h`

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RD SHARMA-AREAS RELATED TO CIRCLES-All Questions
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  14. In Fig. 15.111, if A B C is an equilateral triangle, then shaded ar...

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  15. In Fig. 15.112, the area of the shaded region is (FIGURE) (a) 3pi\ ...

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