Question

In given figure, you see the frame of a
lampshade. It is to be covered with a
decorative cloth. The frame has a
base diameter of 20 cm and height of
30 cm. A margin of 2.5 cm is to be
given for folding it over the top and
bottom of the frame. Find how much cloth is
required for covering the lampshade? find pie in it​

Answer 1

Answer:

Hi friend ✋

Here r =(20/2) cm =10cm and h=30 cm +2×2.5

cm =35cm

Cloth required for covering the lampshade.

=It's curved surface area

=2πrh

=(2×22/7×10×35)cm square

=2200cm square.

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Explanation:

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Answer 2

The cloth required for covering the lampshade is 2200 sq. cm