Rectangle 80701

One side of the rectangle has length a=9/5 cm, and the length of side b is 7/10 cm greater than the length of side a.
Calculate the perimeter and area of ​​the rectangle.

Correct answer:

o =  8.6 cm
S =  4.5 cm2

Step-by-step explanation:

a=9/5=59=1.8 cm  b=a+107=59+107=1018+107=1018+7=1025=25=2.5 cm  o=2 a+2 b=2 59+2 25=543 cm=8.6 cm
S=a b=59 25=5 29 5=1045=29 cm2=4.5 cm2



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