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YellowGem

Answer: 73 degrees

Step-by-step explanation: 180 degrees in a triangle, and 34 are on angle A. So B+C=180-34=146, B and C are equal so each are half of 146 which is 73 degrees.

wegnerkolmp2741o

Answer:

B Angle C = 73 degrees

Step-by-step explanation:

We know B = C so call it x

A = 34

The three angles of a triangle add to 180 degrees

A + B+ C = 180

34 + x+ x = 180

Combine like terms

34+2x = 180

Subtract 34 from each side

34-34 +2x = 180-34

2x = 146

Divide by 2

2x/2 = 146/2

x = 73

Angle C = 73 degrees