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mariarad [96]
2 years ago
5

Help me with this question please, giving 15 points.

Mathematics
1 answer:
Sunny_sXe [5.5K]2 years ago
4 0

Answer:

D.  108.25 sq in

Step-by-step explanation:

Area of triangle = bh/2

Area of bottom triangle = 4.3(5)/2 = 10.75

Area of a lateral triangle = 13(5)/2 = 32.5

Area of 3 lateral triangles = 3(32.5) = 97.5

Total surface area = 10.75 + 97.5 = 108.25

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