Dimensions 6996

The carpenter needs to make 4 wooden legs for the table, which have the shape of a regular 4-sided prism with dimensions of 9 cm × 9 cm × 60 cm. He will paint them all over with white paint. How many m² of surface must be painted?

Correct answer:

S =  0.9288 m2

Step-by-step explanation:

a=9 cm m=9:100  m=0.09 m b=a=0.09=1009=0.09 m c=60 cm m=60:100  m=0.6 m  S1=2 (a b+b c+a c)=2 (0.09 0.09+0.09 0.6+0.09 0.6)=0.2322 m2  S=4 S1=4 0.2322=0.9288 m2



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