Rectangular 83112

The garden is a rectangular trapezoid a=50m, c=30m, d=15m. If we add an 8% loss to the calculated length, how many meters of mesh do we need to fence it?

Correct answer:

x =  129.6 m

Step-by-step explanation:

a=50 m c=30 m d=15 m  b2 = d2 + (ac)2  b=d2+(ac)2=152+(5030)2=25 m  o=a+b+c+d=50+25+30+15=120 m  r=100%+8%=1+1008=1.08  x=r o=1.08 120=129.6 m

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