Question

The HCF and LCM of TWO NUMBERS are 9 and 360 respectively. If FIRST NUMBER is 45, FIND THE SECOND NUMBER. [USE THE FORMULA]. HCF=9; LCM=360; "FIRST" NO. =45; "SECOND"NO.=?​

Answer 1

Step-by-step explanation:

let the breadth be x.

therefore,length=x+20.

p=100cm

2(x+20+x)=100

4x+40=100

4x=100-40

x=60/4

x=15

therefore,breadth=15cm and length =15+20=35cm.