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3 years ago

I need help with 25.

Mathematics

1 answer:

noname [10]3 years ago

6 0

Sum of linear pair of angles = 180°

<EFG + <GFH = 180°

2n + 21 + 4n + 15 = 180°

6n + 36 = 180°

6n = 144

n = 24

<EFG = 2(24) + 21 = 69°

<GFH = 4n + 15 = 4(24) + 15 = 111°

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Step-by-step explanation:

Let the number be represented by x.

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