allerySpinning which shape about a shorter side makes a cone?
ARectangle
BTrapezium
CRight triangle
DSemicircle
Answer & Solution
Correct answer: C. Right triangle
1. Spinning a rectangle about one side gives a cylinder.
2. Spinning a semicircle about its diameter gives a sphere.
3. Spinning a right triangle about one of its shorter sides gives a cone.
_Source: Math Is Fun, Cone (mathsisfun.com/geometry/cone.html), Cone Facts_
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