The radius of a cone is 1 cm and
its slant height is thrice of its
radius. Then, the TSA of a cone
is
_ cm?.*
Answers
Answered by
0
Answer:
r=1 cm, l =3 cm
TSA=pi r(l+r)= 22/7 *1(3+1)=22/7(4)cm^2=88/7 cm^2
Answered by
1
Answer:
r=1 cm
r =1cm
r=1cm , thrice of radius means 3cm slant height of cone
curved surface area of cone = πrl
and area of circle = πr²
total surface area is equal to πrl +πr²
22/7 ×1 (3+1)=π4
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