Two adjccent angles on a straight line are x and (2x - 21)°. Find: (1) the value of x (ii) the measure of each angle
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Answer:
1) 67°
2) 113°
Step-by-step explanation:
(i) x + 2x - 21 = 180 [Linear pair]
=> 3x = 180 + 21 = 201
=> x = 201/3 = 67°
(ii) Measure of one angle is x = 67°
And measure of the other angle is 2x-21
= 134-21 = 113°
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