Question

Plzzzzz answer 6 th question plzzzzzzz

Answer 1

Hey mate.

Here is the solution in the attachment.

Answer 2

Given,

d=20 cm

r = d/2 = 20 / 2= 10 cm

h=70 cm

as you know

the lateral (or curved) surface area of a cylinder = 2πrh

=2π10×70

=1400×22/7

=4400×4

=17600

Hence, the cost of painting its outer curved surface at Rs. 4 is rs.17600.

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