Regular triangular prism

Calculate the surface area of body of regular triangular prism, when the length of its base edge is 6.5 cm and height 0.2 m.

Correct answer:

S =  390 cm2

Step-by-step explanation:

a=6.5 h=0.2 100=20 h2=3/2 a=3/2 6.55.6292 S2=a h=6.5 20=130 S=3 S2=3 130=390 cm2

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