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I need an answer for this

I need an answer for this-example-1
User Charles Ritchie
by
2.5k points

2 Answers

16 votes
16 votes

Answer:

756 cm^2

Explanation:

9 x 12 = 108 triangles

9 x 18 = 162 back side

9^2 + 12^2 = c^2

9^2 + 12^2 = 225

9^2 + 12^2 = 15^2

length of the hypotenuse is 15 so

15 x 18 = 270 slanted top

18 x 12 = 216 bottom

216 + 270 + 162 + 108 = 756 cm^2

User Volodymyr Bryliant
by
3.2k points
15 votes
15 votes

Answer:

Explanation:

18+12+9