Question

the volume of a cuboid is 3600cm2 and its height is 12cm. if the length and breadth are in the ratio of 4:3, find its length and breadth.​

Answer 1

Answer:

LET THE UNKNOWN QUANTITY BE x.

THEN,

LENGTH=4x

BREADTH=3x

ACCORDING TO QUESTION

VOLUME=3600

LENGTH * BREADTH * HEIGHT = 3600

4x*3x*12=3600

12x²=300

x²=25

x=5

hence

LENGTH=4x=4*5=20cm

BREADTH=3x=3*5=15cm

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Step-by-step explanation:

Answer 2

Answer:

Volume of cuboid is 3600cm2

Height is 12 cm

Ratio of length and breadth is 4:3

Step-by-step explanation:

Now see here--------

Let the common multiple be x

Therefore length will be 4x while will be 3x

Know that volume of cuboid is lxbxh

Therefore

3600 = 4x x 3x x 12

3600

_____. = X

4 x 3 x 12

X = 25

Therefore

Length is 100

While

Breadth is 75