Question 13
Find the unknown angle aº :
130
a.
73°
Answers
Answered by
2
Answer:
Subtract the sum of the angles from 180 degrees to get the missing angle. For example if a triangle in a quadrilateral had the angles of 30 and 50 degrees, you would have a third angle equal to 100 degrees (180 - 80 = 100).
Step-by-step explanation:
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Answered by
0
Answer:
It's near to supplementary angles 180°
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