Isosceles trapezoid

Perimeter of the isosceles trapezoid is 48 cm. One side is two times greater than the second side. Determine the dimensions of the trapezoid.

Result

a =  8 cm
b =  18 cm
c =  4 cm
d =  18 cm

Solution:


a+b+c+d=48
b=d
a= 2c
c = 4

a+b+c+d = 48
b-d = 0
a-2c = 0
c = 4

a = 8
b = 18
c = 4
d = 18

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