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mihalych1998 [28]
3 years ago
12

Please help and show work​

Mathematics
1 answer:
melamori03 [73]3 years ago
8 0

9514 1404 393

Answer:

  h = 12 m

Step-by-step explanation:

Sides of the triangle are proportional.

  (3.6 m)/(1.2 m) = h/(1.2 m + 2.8 m)

  (4 m)(3.6/1.2) = h . . . . . multiply by 4 m

  h = 12 m

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