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the surface area "S" of a cone of radius "r" and height "h" can be found using the formula s=πr√(r2+h2). what is the height of cone. round to two decimal places.

asked Nov 21, 2014 in PRECALCULUS by anonymous

1 Answer

0 votes

The Surface area of the  cone = 225 cm² .

Radius of the cone = 5 cm.

Formula for the surface area of the cone is 

image

Substituting 'A' and 'r'  values

image

Therefore the height of the cone is 7.8 cm .

answered Nov 21, 2014 by saurav Pupil

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