Question

outer sphen Then the length of wire will be obtained from the cube is a) 67.76 m b) 76.67 m c) 60 m d) 70 m 18. The total surface area of a cone is 770 cm. If its slant height is four times the radius of the cone, the diameter of the cone is I di a) 14 cm b) 7 cm c) 20 cm d) 18 cm 19. A night triangle with sides 5 cm, 12 cm, and 13 cm is revolved about the side 12 cm. Then the Oume of the cone thus formed, [ 1 5 a) 314 cm b) 258 cm c) 300-cm ' ст 3 intemal CI 114.com Passage type questions: ad into another solid of a different shape, then the volume ​

Answer 1

Answer:

Correct option is

A

67.76 m

Given: Side of cube s=11 cm; diameter d=0.5 cm; r=0.25 cm

Volume of copper cube=11

3

=1331= Volume of copper cylinder

or 1331=πr

2

h

or 1331=

7

22

×(0.25)

2

h

or h=

22×(0.25)

2

1331×7

=6776cm=67.76m

Step-by-step explanation:

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