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

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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