A reference angle of 20 degrees is used to construct four angles in a coordinate plane, with one angle in each quadrant. All of the angles have a positive measure of less than 360 degrees. What is the measure of each of these four angles?

answer: dead jah

step-by-step explanation:

bullet + jah= dead jah

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step-by-step explanation:

m∠a is 90°

m∠b is 40°