Parallelogram 49281

The circumference of the parallelogram measures 2.8 m. The length of one of its sides is equal to one-seventh of the entire circumference. Calculate the sizes of the sides of this parallelogram.

Correct answer:

a =  0.4 m
b =  1 m

Step-by-step explanation:

o=2.8 m a=71 o=71 2.8=52 m=0.4 m
o = 2 a+2 b  b=(o2 a)/2=(2.82 0.4)/2=1 m

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