The answer for this multiple choice is D
Answer:
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Step-by-step explanation:
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Answer:
9^5
Step-by-step explanation:
Answer:
a = 30°
Step-by-step explanation:
We need to find the value of a.
We know that, a straight line makes an angle of 180°.
In this case,
a+3a+2a = 180
6a = 180
a = 30°
So, the value of a is equal to 30°.