Question 58 Answer and Explanation _ACT April 2015 Form 73G Math Section

Question 58 Answer and Explanation _ACT April 2015 Form 73G Math Section

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58. In the standard (x, y) coordinate plane below, B is on the positive x-axis, the measure of ∠AOB is 150°, and the length of AO is 1 coordinate unit. What are the coordinates of A ?

F. $(-\frac{\sqrt{3}}{2},\,\frac{1}{2})$

G. $(-\frac{\sqrt{2}}{2},\,\frac{\sqrt{2}}{2})$

H. $(-\frac{1}{2},\,\frac{\sqrt{3}}{2})$

J. $(\frac{\sqrt{3}}{2},\,-\frac{1}{2})$

K. $(\frac{\sqrt{2}}{2},\,-\frac{\sqrt{2}}{2})$

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation