1.

If the side of a square is decreased by 10% and 20% find the change in its area​

Answer»

Step-by-step explanation:

x+y+xy/100 here x=y=-10%, THUS corresponding change in AREA is given by, 10% change in area of square= (-10)+(-10)+((-10)(-10)/100))= -20+100/100=-20 Therefore, change in the area of square is 20% decrease.



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