Prism

Find the volume and surface area of prism with base of an equilateral triangle with side 7 dm long and the body height of 1.5 m.

Correct answer:

V =  0.3183 m3
S =  3.5744 m2

Step-by-step explanation:

a=7 dm m=7:10  m=0.7 m h=1.5 m  P=43 a2=43 0.720.2122 m2  V=P h=0.2122 1.5=0.3183 m3
S=2 P+3 a h=2 0.2122+3 0.7 1.5=3.5744 m2



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