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melomori [17]
3 years ago
11

Can someone help me with this? I don't understand how to do these & I need to know the answers.

Mathematics
2 answers:
Strike441 [17]3 years ago
6 0
The interior angles of a triangle add up to 180 degrees.

1. 180 - (117 + 33) =
     180 - 150 =
      30....so < 1 = 30

2. 180 - (57 + 33) =
     180 - 90 =
      90....so < 1 = 90
IgorC [24]3 years ago
3 0
1. is D and two is correct
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