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Y_Kistochka [10]
3 years ago
12

I really don’t understand this

Mathematics
1 answer:
IRINA_888 [86]3 years ago
3 0
Hello!

The angles in a pentagon add up to 540°

Subtract the known angles from 540

540 - 122 - 100 - 144 - 90 = 84

The answer is 84°

Hope this helps!
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