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Sagot :
Answer:
a = 61
Step-by-step explanation:
The three angles form a straight line which is 180 degrees.
a + 90 + 29 = 180
a + 119 = 180
a = 180-119
a = 61
Given : Find the measure of the missing angle.
Solution : According to the question, here we are provided with a variable α. An angle which is 90° and another angle which is 29° are to be added and the result is 180°. So, subtracting from 180° we will get the required answer
- α + 90° + 29° = 180° [Reason : straight ∠]
- α + 119° = 180°
- α = 180° - 119°
- α = 61°
Henceforth, the missing angle is 61°
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