Question

making the tank
10. In Fig. 13.12. 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. Amargin of 25 cm
frame. Find how much cloth is required for covering the
is to be given for folding it over the top and bottom of the
Fig. 13.12
lampshade.
alava were asked
making and​

Answer 1

Answer:

5028.76

Step-by-step explanation:

d = 20cm ; r = 10cm

h = 30cm

Length of the the cloth = 30+25+25 = 80cm Cloth required to cover the frame =CSA of cloth

= 2πrh = 2 x 22/7 x 10 x 80 = 5,028.76cm²

If your margin to be folded is 2.5 then your answer is 2200cm²