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A shuttle **** used for playing …

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A shuttle **** used for playing badmintan has the shape of a fristum of a cone mounted on a hemi - sphere the external diameters of the frustum are 6cm and 2cm and height of the extire shuttle **** is 7cm . find it's extrnal surface area

Posted by Abhinash Thapa 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Ashish Garhwal 6 years, 11 months ago

For external area = 22/7×(r1+r2)l +22/7×r1×r1 + 2×22/7×r2×r2 (ans.- 22/7(19+8root5)cm2)

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