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lutik1710 [3]
3 years ago
8

I need help I don’t understand

Mathematics
1 answer:
nata0808 [166]3 years ago
7 0

Answer:

The exterior angle of 60° is 120°. The exterior angle of 65° is 115°. The exterior angle of 55° is 125°.

Step-by-step explanation:

The sum of the interior angle and the exterior angle is 180°. So you can subtract each interior angle from 180 and get the exterior angle.

180° - 60° = 120°

180° - 65° = 115°

180° - 55° = 125°

This is because you can imagine the lines of the triangle extending beyond the triangle. Then you can see where the other angles are. Hope this makes sense!

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