Question

The radius of a coin is Icm. When the coins
is placed on a table is find out the area
covered by the coin.
ii) now, 5 such coins are stacked . The pile of
coins is 5cm high. Calculate the space
occupied by the pile of the coins.​

Answer 1

Answer:

5pi

Explanation:

given radius is 1 cm

height is 5cm

It forms cylinder

so the total surface area of cylinder is 2πr(r+h)

= 2×π×1 × 6

= 12π