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ICE Princess25 [194]
3 years ago
5

PLEASE HELP 10 POINTS

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
4 0

Answer:

40

Step-by-step explanation:

180 degrees for a triangle. We add 87 and 53 degrees.

That equals 140. Again, back to 180 degrees. We minus 180 degrees with 140 degrees which equals:

40 degrees.

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