Rectangular garden 31 meters 40 centimeters long and 20m30cm wide adjacent with the shorter side with another (fenced) garden and on one longest side is 1-meter wide gate. How many meters of the fence are needed to buy? (Estimate, calculate, verify a test calculation, rounded to meters).

Correct answer:

x =  83 m

Step-by-step explanation:

a=3140 cm b=2030 cm  c=2 a+b100=2 3140+2030100=8210 cm c2=c m=c:100  m=8210:100  m=82.1 m  x=c2=82.1=83 m

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