ronak made a showpiece from wooden cylinder whose both ends are scooped by hemisphere. if height of cylinder is 10cm and diameter of a base is 7 CM then total surface area of showpiece (π=22/7)
Answers
Answered by
1
Answer:
Given,
A solid pole consists of two cylinders.
Dimension of the first cylinder
Height = 210cm
Radius = 21cm
Dimension of the second cylinder
Height = 70cm
Radius = 7cm
We need to find out the volume of pole. So, firstly, find out the volumes of two cylinders, and thereafter, add both the volumes of cylinder, that's what the volume of pole.
Volume of the first cylinder
→ π r²h
→ 22/7 × 21 × 21 × 210
→ 22 × 3 × 21 × 210
→ 291060cm³
Volume of the second cylinder
→ πr²h
→ 22/7 × 7 × 7 × 70
→ 22 × 7 × 70
→ 10780cm³
Volume of pole = volume of the first cylinder+ volume of the second cylinder
•°• Volume of pole = 291060 + 10780 = 301840cm³
Answered by
0
volume of cylinder is
301840cm 3
Similar questions