Question

a toy is in the form of a cone mounted on a hemisphere of common base of diameter 7 cm if the total length of a toy is 15.5 cm find the total surface area of the toy​

Answer 1

r=3.5

h=height of cone

H=height of hemisphere

t=total height=15.5

h=t-H=15.5-3.5

h=12

total surface area=

surface area of cone+surface area of hemisphere