3 years ago

I need an answer for this

Mathematics

2 answers:

Misha Larkins [42]3 years ago

5 0

Answer:

756 cm^2

Step-by-step 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

RUDIKE [14]3 years ago

4 0

Answer:

Step-by-step explanation:

18+12+9

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