Circumference 2907

The circumference of the rectangle is 22 cm, and one side is 3 cm shorter than the other. What is the area of this rectangle?

Correct answer:

a =  4 cm
b =  7 cm
S =  28 cm2

Step-by-step explanation:

o=22 cm  2(a+b)=o a=b3 2(a+b)=22 a=b3  2 (a+b)=22 a=b3  2a+2b=22 ab=3  Row221 Row1Row2 2a+2b=22 2b=14  b=214=7 a=2222b=2222 7=4  a=4 b=7
S=a b=4 7=28 cm2



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