Circumference 21463

The circumference of the rectangle is 40cm. Find the rectangle size if you know the sides are in a 4:1 ratio.

Correct answer:

a =  16 cm
b =  4 cm

Step-by-step explanation:

a = 4x b = 1 x  o=40 cm  o = 2(a+b)  o=2 (4 x+1 x) 40=2 (4 x+1 x)  10x=40  x=1040=4  x=4  a=4 x=4 4=16 cm
b=1 x=1 4=4 cm



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