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A solid is in the form of a right circular cylinder with a hemisphere at one end and a cone at
the other end. The radius of the common base is 8 cm. and the heights of the cylindrical
and conical portions are 10 cm and 6 cm respectivly. Find the total surface area of the
solid. (use it = 3.14]M's s. 52
Answers
Explanation:
A solid is in the form of a right circular cylinder, with a hemisphere at one end and a cone at the other end. The radius of the common base is 8 cm ...
Answer:
solid is in the form of a right circular cylinder, with a hemisphere at one end and a cone at the other end. The radius of the common base is 8 cm and the heights of the cylindrical and conical portions are 10cm and 6cm respectively. Find the total surface area of the solid. (Use π=22/7)
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Answer
Height of the cylindrical part and cone are 10cm and 6cmrespectively
Radius of cone , cylinder and hemi sphere=3.5cm
r=3.5cm for both Cylinder and cone
The area of canvas required=Surface area of hemishphere,cylinder and cone parts of tent
A=2πr
2
+2πrh+πr(
h
2
+r
2
)
A=2π×3.5×3.5+2π×3.5×10+π×3.5(
3.5
2
+6
2
)
A=373.3cm
2