1 year ago

3. What is the surface area of the triangular prism shown below?

Mathematics

1 answer:

jekas [21]1 year ago

7 0

Answer:

1233cm^2

Step-by-step explanation:

a of triangle = 1/2 bh

1/2 x 12 x 9 = 54

108 x 2 = 108

a of regtangle = l x w

25 x 15 = 375

375 x 3 = 1125

total surface area = 1125 + 108 = 1233cm^2

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