helppp please

Question

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. 

Answer 1

The Surface area of the  cone = 225 cm² .

Radius of the cone = 5 cm.

Formula for the surface area of the cone is 

Substituting 'A' and 'r'  values

Therefore the height of the cone is 7.8 cm .