Question

MAHS
3 A solid rt circular cylinder is melted into spheres of
radius of 20m. If the ht of the cylinder is 16 cm and
the diameth is 20cm, find the no of spheres made.​

Answer 1

Answer:

(10) can u mark me brainliest plz

Step-by-step explanation:

MATHS

The height of a solid metal cylinder is 20cm. Its radius is 1.5cm. The cylinder is melted and cast into spheres of each of radius 1.5cm. How many such spheres can be cast from the cylinder?

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VIDEO EXPLANATION

ANSWER

Given that:

h=20cm,r(for cylinder)=1.5cm,R(for sphere)=1.5cm

Solution:

Volume of cylinder=π×r

2

×h

=

7

22

×(1.5)

2

×20cm

3

Volume of Sphere

3

4

×πr

3

=

3

4

×

7

22

×(1.5)

3

cm

3

Number of spheres cast from the cylinder =

Volume of sphere

Volume of cylinder

=

3

4

×

7

22

×(1.5)

3

cm

3

7

22

×(1.5)

2

×20cm

3

=

4×1.5

3×20

=10

So, number of spheres can be cast from cylinders =10