imelda17
imelda17 imelda17
  • 22-11-2017
  • Mathematics
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Triangle abc is shown below prove all three angles add up to 180 degrees

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miriamsykes4
miriamsykes4 miriamsykes4
  • 22-11-2017
A triangle must add to 180°. There are two combinations that are the most common the 30, 60, 90, and the 45, 45, 90. Both combinations add up to 180°.

- Miriam
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