#
Curved surface area of a con is 308 cm2 and its slant height is 14 cm. find

(i) radius of the bases and

(ii) total surface of the con

2
by pk417006

Log in to add a comment

(i) radius of the bases and

(ii) total surface of the con

by pk417006

Log in to add a comment

l=14cm

pie*r*l=308

22/7*r*14=308

r=52/11

tsa=pie*r(r+l)

=22/7*52/11(52/11+14)

=275.28cm^2

308cm2 l=14 cm

308 =

7

308=

308=44×r

r=7

TSA of cone =πr(r+l)

42cm2