Respuesta :

Surface area of a Triangular Prism = 2(1/2*bh) + ah + bh + ch

So, 2(1/2*15*8) + 18*15 + 18*8 + 18*17

= (15*8) + 270 + 144 + 306

= 120 + 720

= 840 mm²

Volume of a Triangular Prism = 1/2*ab * h

v = 1/2 * 15 * 8 * 18

v = 60 * 18

v = 1080 mm³

Hope this helps!

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