Question

The radius and height of a right circular cone are in the ratio 5:12. If it's volume is 314 cubic metre, find the slant height and the radius (use π = 3.14)



please answer it clearly and easy to understand
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Answer 1

Answer:

let the radius be

5

x

and the height be

12

x

.

Volume

=

π

r

2

h

2512

=

3.14

×

25

x

2

×

12

x

2512

=

942

x

3

x

3

=

8

3

x

=

2

3

√

3

=

1.39

c

m

(approx)

So the radius would be.

5

x

=

5

×

1.39

=

6.95

c

m