"Question 10 In the 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.
Class 9 - Math - Surface Areas and Volumes Page 217"
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Answered by
222
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.
Hope it helps♌♌⛎⛎⛎⛎
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.
Hope it helps♌♌⛎⛎⛎⛎
Answered by
90
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