Find the measure of angle A.
1 answer:
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a) Each of the inequalities determine the semiplane, first semiplane is shaded in red with solid boundary line (because the inequality has sign ≥), second semiplane is shaded in blue with dashed boundary line (because the inequality has the sign <). The common region represents the solution of this system of two inequalities.
b) Pick a point (10,5) from the shaded region. Since
the coordinates of this point are the solution of the system.
