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4 years ago

I would really appreciate if someone could help me out. Thanks :D

Mathematics

2 answers:

storchak [24]4 years ago

8 0

1)x = 43.3

2) x = 52.5

3). 1 and 3, 2 and 4, 5 and 8, 6 and 7.

laila [671]4 years ago

3 0

For #1. 3x + x +7 = 180 degrees
4x + 7 = 180
4x = 173
so x = 43.25

For #2. 2x + 5 = 110 degrees
2x = 105
so x = 52.5

For #3. 1 and 3, 2 and 4, 5 and 8, 6 and 7.

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