Triangular prism

Calculate the surface of a triangular prism 10 cm high, the base of which is a triangle with sides 6 cm 8 cm and 8 cm

Correct result:

S =  264.4972 cm2

Solution:

h=10 cm a=6 cm b=8 cm c=8 cm o=a+b+c=6+8+8=22 cm s=o/2=22/2=11 cm S1=s (sa) (sb) (sc)=11 (116) (118) (118)=3 55 cm222.2486 cm2 S=2 S1+o h=2 22.2486+22 10=264.4972 cm2

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