Question

Solids formed by rotation about hypotenuse of isosceles right angled triangle

Answer 1

If a right ∆ is rotated about its hypotenuse ;

• then the solid formed is a double cone of 2 cones joined by their bases.

A figure is given for the illustration of the same;

Where ∆ ABC =

• isosceles
• right angle at A
• rotated about its hypotenuse BC

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