The surface area of the triangular prism is .

The correct answer is: 576

Step-by-step explanation:

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576 metres squared

Step-by-step explanation:

Side 1:

Area = bh

       = (8)(6)

        = 24 metres squared

Side 2:

Area = 22 x 6 = 132 metres squared

Side 3:

Area = 22 x 8 = 176 metres squared

Side 4:

Area = 10 x 22 = 220 metres squared

so

Surface Area = (2 x 24) + 132 + 176 + 220

                      = 48 + 528

                      = 576 metres squared

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

-3 degrees

step-by-step explanation: