Question

A rectangle length is twice the breadth and more than 3cm of its perimeter is 54cm. Then prove that it's length and breadth are 19cm and 8cm..

Answer 1

HENCE PROOVED...........

Answer 2

l=2b+3
=>2(l+b)=54
=>l+b=27
=>2b+3+b=27(putting value of l=2b+3)
=>3b+3=27
=>3b=27-3
=>3b=24
=>b=24/3
=>b=8

l=2b+3
so,l=2×8+3
l=19
(Hence proved)