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Verizon [17]
2 years ago
9

Please help.... me on this question

Mathematics
1 answer:
Sonja [21]2 years ago
8 0

Answer:

a = 30 degrees; b = 60 degrees; and c = 105 degrees.

Step-by-step explanation:

Angle a and the 30 degree angle are vertical angles and thus are equal.

Since the interior angles of a triangle always add up to 180 degrees, 30 + b + 90 degrees = 180 degrees, so that b must be 60 degrees.

Angle c and the 75 degree angle are straight angles, and so their sum must be 180 degrees.  Thus, c = 105 degrees.

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