find the total surface area of a cone whose radius is 2r and slant height 1 by 2
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Answered by
1
Answer:
total surface area of cone=πr(r+l)
l=√r²+h²
l=2²+1/2²
l=1
t.s.a of cone = 22/7×2(2+1)
=88/7+44/7
=132/7
Answered by
0
Total Surface Area of Cone = πrl
Step 2: -,,- = π × 2r × 1/2
Step 3: -,,- = πr
Answer : Total Surface Area of cone is πr
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