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Zielflug [23.3K]
2 years ago
6

What is the surface area of the Triangular prism? Pls answer ASAP I WILL GIVE BRAINLIEAST.

Mathematics
2 answers:
forsale [732]2 years ago
8 0

Solution:

<u>Note that:</u>

  • Surface area = 2(Area of triangle) + 3(Area of rectangle)

<u>Finding the area of triangle:</u>

  • Area of triangle = 1/2 x 4 x 5
  • => Area of triangle = 1/2 x 20
  • Area of triangle = 10 cm²

<u>Finding the area of rectangle:</u>

  • Area of rectangle = 5 x 10
  • => Area of rectangle = 50 cm²

<u>Using the formula of surface area:</u>

  • Surface area = 2(Area of triangle) + 3(Area of rectangle)
  • => Surface area = 2(10) + 3(50)
  • => Surface area = 20 + 150
  • => Surface area = 170 cm²
goldenfox [79]2 years ago
4 0

Answer:

170cm²

Step-by-step explanation:

so the middle rectangle part first

15x10=150

then there's triangles so i'm gonna skip the divided by 2 part.

5x4=20

150+20=170

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