Question
If a right angled triangle is rotated about one of its perpendicular sides, then the shape obtained will be a ________ .
Answer: Option A
:
A
In the above figure, l is the slant height, h is the height and r is the radius. h and r are perpendicular to each other. So, h r and l forms a right angled triangle.
When we rotate the triangle aboutone of its perpendicular sides, then the shape obtained will be a cone as illustrated in the figure.
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:
A
In the above figure, l is the slant height, h is the height and r is the radius. h and r are perpendicular to each other. So, h r and l forms a right angled triangle.
When we rotate the triangle aboutone of its perpendicular sides, then the shape obtained will be a cone as illustrated in the figure.
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