Question

If the dimensions of a cuboid decreases by 10% each, then its volume decreases by_____.
(a) 30%
(b) 27.1%
(c) 10%
(d) 26.4%​

Answer 1

Answer:

The answer is 27.1%

step by step explanation:

l. l'= 90% of l =9/10 l

b. b'=90/10 b

h. h'=9/10 h

volume=lbh

v'=l'b'h'

=(9/10)3 lbh =729/1000 lbh

decreased %=lbh 729 lbh

1000. ×100

lbh

Therefore=. 271 ×100

1000

= 27.1 %

hope this helps u ☺️✌

Answer 2

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