2017 December(A10) Math Question 51

Conics

- Vertex Angles & Bisectors

51. The intersection of lines 1 and m forms the 4 angles LA, LB, LC, and LD. The measure of LB is 3f times the measure of LA. Which of the following values is closest to the measure of LA ?

Choice D

51. The intersection of lines 1 and m forms the 4 angles LA, LB, LC, and LD. The measure of LB is 3f times the measure of LA. Which of the following values is closest to the measure of LA ?

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