Giving brainliest

what is this measure of
17 degrees

33 degrees

57 degrees

73 degrees

Draw a perpendicular line with BC from A

The line will bisect BC, and is angle A's bisector.

Call the point that bisects BC with the line is D => DAC=DAB=1/2 angle A

=> DC = 1/2*BC = 2m

=> sinDAC = DC/AC = 2/7

=> angle DAC = sin^-1(2/7) = 16.6 degrees

=> angle A = 2*DAC = 16.6 * 2 = 33.2 degrees (approx. 33 degrees)

Conclusion: B) Angle A is 33 degrees

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