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If area of a circle inscribed in an equilateral triangle is `48pi` square units, then perimeter of the triangle is (a) `17sqrt(3)` units (b) `36` units (c) `72` units (d) `48sqrt(3)` units

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

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

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  11. If the perimeter of a circle is equal to that of a square, then the...

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  12. 13. The radius of a circle is 20cm. Three more concentric circles are ...

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  14. If a chord of a circle of radius 28 cm makes an angle of 90o at ...

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  15. If area of a circle inscribed in an equilateral triangle is 48pi sq...

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  18. If the area of a circle is equal to the sum of the areas of two circ...

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  19. If pi is taken as 22//7 , the distance (in metres) covered by a wh...

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