Question

9. If the breadth of a rectangle is increased by 5 cm,
its area increases by 25 cm2. If its length is increased by 5cm ,it's area increase by 20cm².find the area of the rectangular (in cm²)
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Answer 1

Answer:

Step-by-step explanation:

LET THE LENGTH BE x AND BREADTH BE y

SO,

A.T.Q.,

x(y+5) = xy+25cm²   (e.q.  1)

(x+5)y = xy+20cm²   (e.q.  2)

NOW,

IN EQUATION 1,

x(y+5) = xy+25cm²

y+5=(xy+25cm²)/x

I HOPE YOU UNDERSTOOD THE QUESTION!!!