Rectangle - sides 3

If in the rectangle ABCD we enlarge the side a by 5 cm and decrease the side b by 2 cm, the rectangle area will be reduced by 5 cm². When we decrease the length of the side a by 4 cm and at the same time we increase the length of side b by 3 cm we increase the area of the original rectangle by 5 cm². Calculate the length of the sides of the rectangle ABCD.

Correct answer:

a =  15 cm
b =  7 cm

Step-by-step explanation:




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