Question

the length and breadth of rectangle increased by 20% & 30% respectively by how much the area much increased area of triangle​

Answer 1

$\huge\sf{Solution:-}$

Let initial length of square =10

Initial area =$\sf 10^2 =100$

New length =10+30% of 10=13

New Breadth =10+20% of 10=12

∴ New area of rectangle formed =13 ×12=156

% increase in area = $\sf\dfrac{156−100}{100}×100=$56%

Answer 2

Answer:

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