Triangular prism

The regular triangular prism has a base edge of 8.6 dm and a height of 1.5 m.
Finf its volume and surface area.

Correct result:

V =  480.3843 dm3
S =  451.0512 dm2

Solution:

a=8.6 dm h=1.5 m dm=1.5 10  dm=15 dm  S1=34 a2=34 8.6232.0256 dm2 V=S1 h=32.0256 15=480.3843 dm3
S=3 a h+2 S1=3 8.6 15+2 32.0256=451.0512 dm2



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