the curved surface area of a cone is 308sq.cm and it's radius is 7cm. find the total surface area of the cone?
Answers
Answered by
2
Answer:
Step-by-step explanation:
Answered by
2
Answer:
TSA of cone is 462sq.cm
Step-by-step explanation:
CSA of cone= pie*r*l
given
CSA of cone=308sq.cm
radius of cone=7cm
so
308=22/7*7*l
seven canceled
308=22*l
308/22=l
l=14cm
we know that
TSA of cone=pie*r*(l+r)
= 22/7*7*(14+7)
=22*21
=462sq.cm
Similar questions