Question

18. A solid metallic cylinder of radius 7 cm and height 10 cm is melted and made into a
cuboid of length 14 cm and height 10 cm. Find the cuboid's width
10​

Answer 1

Given:-

Cylinder

• radius = 7cm.

• height = 10cm.

Cuboid

• Length = 14cm

• height = 10cm

Explaination:-

vol. of cylinder = πr²h

= $\frac{22}{7}$ × 7× 7 × 10

=22 × 70

=1540cm³

vol. of cuboid = L × B × H

=14 × B × 10

=140 × B

vol. of cylinder = vol. of cuboid

1540 = 140 × B

B = 1540/140

B=11

Answer 2

Answer:

this is the right answer