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wlad13 [49]
2 years ago
13

Will mark brainliest if correct! Tysm

Mathematics
2 answers:
ahrayia [7]2 years ago
8 0

Answer:

80

Step-by-step explanation:

A pentagon's angle all add up to 540

460+x=540

x=80

Mariulka [41]2 years ago
5 0

Answer:A 80

Step-by-step explanation:

So a square is all 90° angles so take 90 from 140 and get 50 and 50+50=100 and a triangles thing adds up to 180 so 180-100=80 (I’m not good at explaining sorry)

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