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Leno4ka [110]
3 years ago
11

What is the measure of A?

Mathematics
2 answers:
Juliette [100K]3 years ago
7 0

Answer:

50

Step-by-step explanation:

The inside of a triangle equals 180 and so you subtract the other two values(100 and 30) to 180 and you get 50.

Trava [24]3 years ago
4 0

Answer:

50

Step-by-step explanation:

The sum of the angles of a triangle add to 180

A+B+C = 180

A + 100+ 30 = 180

A + 130= 180

Subtract 130 from each side

A+130-130= 180-130

A = 50

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