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Hatshy [7]
3 years ago
6

Use what you already know to find a, b, and c.

Mathematics
1 answer:
Valentin [98]3 years ago
8 0

Answer:

Use the "find vertically opposite angle" method.

a = 80°

To find the other angles:

Since the angles equal up to 360 which makes a full circle shape...

360 - 80 - 80 = 200 (B and C)

200 ÷ 2 = 100 (Angle for B and C since they are vertically opposite, hence having the same angle)

b = 100°

c = 100°

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