Centimeters 7526

The gardener used 18 poles with a base of 15.15 cm and a height of 150 centimeters to fence the plot. Calculate how much paint he will need to paint the columns twice. One kilogram of paint covers eight square meters.

Correct answer:

m =  4.2525 kg

Step-by-step explanation:

a=15 cm m=15:100  m=0.15 m h=150 cm m=150:100  m=1.5 m n=18 v=8 m2/kg  S1=2 a2+4 a h=2 0.152+4 0.15 1.5=200189=0.945 m2 S2=2 n S1=2 18 0.945=501701=34.02 m2  m=S2/v=34.02/8=4.2525 kg



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