- A toy is in the form of a cone mounted on a cyl-
inder of common base radius 7 cm. The total
height of the toy is 25 cm and height of the coni-
cal part is 3 cm. Find the volume of the toy.
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1
Answer:
3388 cm^3
Step-by-step explanation:
We are given:
Cylinder
h = 25-3 = 21cm
r = 7cm
Cone
h' = 3cm
r = 7cm
Volume of toy = volume of cylinder + volume of cone
= πr^2h + 1/3 πr^2h'
= πr^2 (1h+1/3h')
= 22/7 x (7)^2 (21+ 1/3 x 3)
= 22/7 x 49 (21+1)
= 22x7x22
= 3388 cm^3
Therefore, volume of the toy is
3388 cm^3
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