Math, asked by banothmintu3, 5 months ago

The diagram shows a glue stick in the shape of a
Cylinder. If 80% of the volume is actually the glue.
Find the volume of glue
lue in the stick.
-5cm -
(1-8cm
Glue
stick.
18cm​


amitnrw: where is diagram ?

Answers

Answered by amitnrw
1

Given :  a glue stick in the shape of a

Cylinder. If 80% of the volume is actually the glue.

To Find : volume of glue  in the stick

Solution:

As figure is not given :

CASE 1 :

Assuming 1.8 cm as Diameter

and 5 cm as Height

Volume = πr²h

r = 1.8/2 = 0.9 cm

h = 5 cm

π = 3.14

Volume = 3.14 ( 0.9)² * 5 =  12.717  cm³

80 % of volume is glue = 0.8 x 12.717   =  10.1736  cm³

volume of glue  in the stick =  10.1736  cm³

CASE 2 :

Assuming 1.8 cm as radius

and 5 cm as Height

Volume = πr²h

r = 1.8  cm

h = 5 cm

π = 3.14

Volume = 3.14 ( 1.8)² * 5 =  50.868  cm³

80 % of volume is glue = 0.8 x 50.868   =  40.6944  cm³

volume of glue  in the stick =  40.6944  cm³  

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