Find the total surface area of a con, if its slant height is 21 m and diameter of its bases is 24m
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Answered by
2
diameter =24
radius=12
t.s.a of cone=pie r(r+l)
=22/7*12(12+21)
=22/7*12*33
=1042.8sqm(app)
radius=12
t.s.a of cone=pie r(r+l)
=22/7*12(12+21)
=22/7*12*33
=1042.8sqm(app)
Answered by
0
TSA of a cone=πr(r+l)
r=d/2 r=12
slant height (l)=21
22×12(12+21)
7
22×12(33)
7
22×396
7
8712 = 1244.571 sq.m.
7
r=d/2 r=12
slant height (l)=21
22×12(12+21)
7
22×12(33)
7
22×396
7
8712 = 1244.571 sq.m.
7
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