Circumference 10342

Calculate the area of the rectangle if its circumference is 24cm and one side is 7.2cm long

Correct answer:

S =  34.56 cm2

Step-by-step explanation:

o=24 cm a=7.2 cm  o=2(a+b)  b=o/2a=24/27.2=524=4.8 cm  S=a b=7.2 4.8=34.56 cm2

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