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The lateral area of a cylinder is 94.2 cm². The height is 6 cm. What is the radius?

The lateral area of a cylinder is 94.2 cm². The height is 6 cm. What is the radius?
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5 votes
The lateral area of a cylinder is 94.2 cm². The height is 6 cm. What is the radius?

User Sidneydobber
by
7.9k points

2 Answers

4 votes
Radius=
( A_(L) )/(2πh) }
So the answer will be 2.5 cm
User Nick Pierpoint
by
9.5k points
4 votes
The lateral area of the cylinder is equal to the base circumference times the height h.
So:

94.2=2 \pi r*h

94.2=2*3.14*r*6
so that r=2.5 cm
User Andrea Bozza
by
8.5k points
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