Help please:- The thickness of a hollow metallic cylinder is 2cm. It is 35cm long and its inner radius is 12cm.Find the volume of metal required to make the cylinder,assuming it is open,at either end.
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Answered by
0
Answer:
given: height(h)=35 cm; inner radius(r)= 12cm; thickness(t)=2 cm; outer radius(R)=t+r=12+2=14cm
Answered by
0
Answer:
5720
Step-by-step explanation:
Inner radius of cylinder r = 12 cm
Thickness = 2 cm
Outer radius R = 12+2 = 14 cm
Height = 35 cm
It is a hollow cylinder
Volume of metal required to make cylinder = Outer volume - Inner volume
=\pi R^2 h - \pi r^2 hπR
2
h−πr
2
h
=\frac{22}{7} \times 35 \times (14^2-12^2)
7
22
×35×(14
2
−12
2
)
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