Q. 74.2( 10 Votes )
A bucket is in th
Answer :
Given: Depth of the bucket = height of frustum = h = 15 cm
Diameter of top of bucket = 56 cm
Diameter of bottom of bucket = 42 cm
∴ Radius of top = R = 56/2 = 28 cm
∴ Radius of bottom = r = 42/2 = 21 cm
Volume of water bucket can hold = volume of bucket which is in form of frustum
= (22/7) × 5 × (784 + 441 + 588) cm3
= (22/7) × 5 × 1813 cm3
= 22 × 5 × 259 cm3
= 28490 cm3
Now 1 litre = 1000 cm3
∴ 28490 cm3 = 28490/1000 litres
= 28.49 litres
∴ bucket can hold 28.49 litres of water
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