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What is the surface area of the triangular prisms

Sagot :

Answer:

240

Step-by-step explanation:

[tex]L=\sqrt{{12}^2+5^2}=\sqrt{144+25}=\sqrt{169}=13[/tex]

[tex]SA=2x(5\times12\div2)+5\times6+12\times6+6\times13[/tex]

[tex]=60+30+72+78[/tex]

[tex]=240[/tex]

I hope this helps you

:)

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