Triangular prism

Calculate the surface of a regular triangular prism with a bottom edge of 8.5 meters and an appropriate height of 60 meters, and prism height is 1.4 meters.

Correct answer:

S =  545.7 m2

Step-by-step explanation:

a=8.5 m v=60 m  S1=a v/2=8.5 60/2=255 m2 h=1.4 m  o=3 a=3 8.5=512=25.5 m  S=2 S1+o h=2 255+25.5 1.4=545710=545710 m2=545.7 m2



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