Question

A rectangular block is twice as long as it is broad and its height is 3cm and volume 96cm^2 find its length

Answer 1

let breadth be x then length =2x

l×b×h=96cm^3...............not 96cm^2 becoz this is volume not area

2x×x×3=96

6x^2=96

x^2=96/6=16

x=4

length=8cm