Question:
If 2(l+b)= h
Prove that 4b = h

Answer:

Given:
2(l+b)=h
2(ell+b) = h
2(bone+b) = h
Taking b outside:

2b(one+1) = h
2b(2) = h
4b=h

Master Tintumon(2-A)
St.Mary's Convent
Nadathara