Question

The diameter of the base of a right cylindrical bucket is 28 cm and its height is 30 cm.
it is full of sand. If the sand in the bucket is poured on the ground, a cone of height
14 cm is formed. Find the area of the base of sand-cone formed. ​

Answer 1

Answer:

2640cm^2

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Step-by-step explanation:

Diameter of cylinder = 28 cm  

⇒ Radius of cylinder, R = 14 cm

Height of cylinder, H = 20 cm

Volume of cylinder, VC = πR2H

Height of cone, h = 14 cm

Radius of cone = r  

Now, as the sand in cylinder forms the cone,

⇒ V = v

⇒ r = 28.98 cm  

Base area = πr2

⇒ Base area = 2640 sq. cm

∴ The base area of the cone formed is 2640 sq. cm

Answer 2

Answer:

Step-by-step explanation

Diameter is 28

Radius is 28/2=14

Height is 30

Volume of bucket =volume of cone

Pie*r²h=1/3pie*r²h

Put the values