1.

The radius of the base of a right cone is 35 cm and its height is 84 cm. Find : total surface area

Answer»

Solution :TOTAL surface AREA = lateral surface area + base area
=`pi RL+ pi r^2 = pi r(l+r)`
=`(22)/7 XX 35 (91+84)`
=`110xx175 = 19250 cm^2`


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