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10 POINTS !!HELP NEEDED!!
What is the surface area of the Triangular Prism?
A) 230 units^2
B) 240 units^2
C) 250 units^2
D) 260 units^2

10 POINTS HELP NEEDED What is the surface area of the Triangular Prism A 230 units2 B 240 units2 C 250 units2 D 260 units2 class=

Respuesta :

Answer:

B

Step-by-step explanation:

third side of base=√(12²+5²)=√(144+25)=√169=13 units

surface area=area of three retangles+area of top and bottom

=(12+13+5)×6+2×1/2×12×5

=180+60

=240 units²

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