Question

cone
is made by bending a semicircle of
Redius
10 cm
c) Find the slant height and redius of this cone ?
b) what is the curved surface area?
c) What is the total surface area of this cone?
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Answer 1

Answer:

c) The total surface area of this cone is

πr(r+l).

Answer 2

Answer:

curved surface area is πr2