What is the perimeter of 1 cube 2 cuboid3 cylender4 cone 5 sphere6 hemisphere?

Answers (1)

Perimeter is defined for 2-dimensional objects.

However, for 3-dimensional objects, we define surface area and volume.

Shape of object Total Surface Area Volume             
Cube 6	imes a^2 a^3
Cuboid 2	imes(lb+bh+hl) l	imes b 	imes h
Cylinder 2	imes prod 	imes r 	imes h prod 	imes r^2 	imes h
Cone prod 	imes r 	imes l

frac13 	imes prod 	imes r^2 	imes h

Sphere 4	imes prod 	imes r^2 frac43	imes prod 	imes r^3
Hemisphere 3 	imes prod 	imes r^2 frac23	imes prod 	imes r^3

 

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