What is this answer because I can't figure this out and my math teacher doesn't explain it very well

Mathematics

2 answers:

iVinArrow [24]2 years ago

5 0

72+72+144 and 144 minus 360 equals 216 so half of 216 is 10. so the top and bottom are 108 degrees.

Effectus [21]2 years ago

3 0

72 = x+15
-15 -15
57 = x

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