Base areas of two prisms are in the. ratio 2:3 and their heights are in the ratio 3:4 a)Find the ratio between their volumes b) The volume of the first prism is 100 find the volume of the second
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(a) 1:2
(b) 200
Step-by-step explanation:
Given,
The ratio of the base area of the two prisms = 2:3
and
The ratio of the height of two prisms = 3:4
let,
1st prism bass area = 2x, height = 3y
2nd prism bass area = 3x, height = 4y
Now,
(a) we know that,
volume of prism = bass area x height
Now,
The ratio of the volumes of the two prisms
= 1st prism volume/2nd prism volume
= (2x×3y)/(3x×4y)
= 6xy/12xy
= 1/2
= 1:2
(b)
given, 1st prism volume = 100
then, 2nd prism volume = 2×100 = 200
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