Angles A and b are complements of each other. If angle A = (x - 20) and (x - 30), find the measure of both the angles
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Answer:
A = 50°
B = 40°
Step-by-step explanation:
Since angle A and B are complimentary => A + B = 90°
Given :
A = x - 20
B = x - 30
A + B = 90°
=> x - 20 + x - 30 = 90°
=> 2x - 50 = 90°
=> 2x = 90 + 50
=> 2x = 140°
=> x = 70°
Therefore :
A = x - 20 = (70 - 20)° = 50°
B = x - 30 = (70 - 30)° = 40°
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