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Jlenok [28]
3 years ago
10

ILL MARK BRAINLIEST HELP!!!!

Mathematics
1 answer:
stepan [7]3 years ago
5 0

Answer:

30

Step-by-step explanation:

let EFH = x

Let GFH = y

x + y = 90

x = 2y

Substitute: 2y + y = 90

3y = 90

y = 30

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