a semicircular sheet of metal of diameter 28 cm is bent into an open conical cup. find the depth and capacity of cup
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Answer:
622.16cm^3
Step-by-step explanation:
radius =14(of semi circular sheet)
circumference of the base of the cone
1 / 2 into circumference of the circle with radius 14cm
=2πr=π into14
height of cone is equals to √14^2-7^2
12.12cm
capacity of cup = volume of the conical cup
1/3πr^2h =1/3 into 22/7 into 7^2 into12.12
=622.16
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