Math, asked by jagadheeban2005, 7 months ago

The dimensions of a solid iron cuboid are 4.4 m × 2.6 m × 1.0 m. It is melted
and recast into a hollow cylindrical pipe of 30 m inner radius and
thickness 5cm. Find the height of the pipe.

Answers

Answered by prachi782214
0

Step-by-step explanation:

ANSWER

Iron : l=44m

b=2.6m

h

1

=1.0m

Hollow cylinder : r

1

=30cm=0.3m

r

2

=35cm=0.35m

h

2

=?

Volume of cuboid = Volume of hollow cylinder

l×b×h

1

=πh

2

(r

2

2

−r

1

2

)

4.4×2.6×1=

7

22

×h

2

×[(

100

35

)

2

−(

100

30

)

2

]

10

44

×

10

26

=

7

22

×h

2

×

(100)

2

(35−30)(35+30)

=

7

22

×h

2

×

(100)2

5×65

∴h

2

=

10

44

×

10

26

×

22

7

×

5×65

100×100

∴h

2

=112m

hppe u will give me brainlest answer

Similar questions