Question

Length of a cuboidal box is twice as long as its broad. Its height is 20 cm and volume 1440 cm³. Finf the length and breadth.​

Answer 1

Answer:

see the attached document for the steps

Answer 2

Answer:

let B=x

L=2x

H=20cm

V=L*B*H

$1440 = 2x \times x \times 20$

$1440 \20 = 2x ^{2}$

$x ^{2} = 36$

x=6

so B=6cm

L=12cm