40. Find the volume of the recycled material used in making the solid as shown in
figure. It is given that diameter of cylinder is 20 cm and diameter of each of two
equal conical cavity is 10 cm.
12 cm
24 cm
12 cm
10 cm
-20 cm
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Step-by-step explanation:
total height=h=24cm of cylimder
total height of the cone =24cm
cylinder radius=10cm and each cone radius=5cm
then total volume of the recycled material=
volume of cylinder-volume of cone
22÷7×10×10×24cm-22÷7×5×5×24cm
=6914.27cm2
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