Find the length of a
2 answers:
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Answer:
24; 118; 102
Step-by-step explanation:
Starting from A: there are two ways. One, is a theorem that says "the amplitude of the external angle of a triangle is equal to the sum of the amplitudes of the two angles not sharing the vertex". Which translates to the equation which has solution
.
Problem B is a red herring: x and 118° are corresponding angles related to the two parallel lines with a transversal, and they have the same amplitude, thus
Finally, letter C : you know the sum of the internal angles of a triangle is 180°. It means that or, with simple calculations (subtract 41 and 37 from both sides)