Ria constructs angles of 60° and 90° with a compass and then bisects the angle between their arms. What angle (in degrees) does the bisector make with the base ray?

Question

Accepted Answer

75. The bisector of the angle from 60° to 90° lands at the average (60 + 90)/2 = 75°.

Ria constructs angles of 60° and 90° with a compass and then bisects the angle between their arms. What angle (in degrees) does the bisector make with the base ray?

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