Answers

2014-11-03T19:32:29+05:30
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)
0
2014-11-03T19:51:24+05:30
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
0