27-05-2015
Mathematics

Answered

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

Answer :

27-05-2015

The lateral area of the cylinder is equal to the base circumference times the height h.
So:
[tex]94.2=2 \pi r*h[/tex]
[tex]94.2=2*3.14*r*6[/tex]
so that r=2.5 cm

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vuvuong003 vuvuong003

27-05-2015

Radius= [tex] \frac{ A_{L} }{2πh} } [/tex]
So the answer will be 2.5 cm

Answer Link

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