Trapezoid ABCD

Calculate the perimeter of trapezoid ABCD if we know the side c=15, b=19 which is also a height and side d=20.

Correct result:

x =  75.245 cm

Solution:

b=19 c=15 d=20 a1=d2b2=202192=396.245 a=c+a1=15+6.24521.245 x=a+b+c+d=21.245+19+15+20=75.245 cm



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