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Sagot :
Answer:
Step-by-step explanation:
A line adds up to 180 degrees
180 - 81 = 99 degrees
Answer:
99 degrees
Step-by-step explanation:
These are Supplementary Angles:
Supplementary Angles are two angles that equal 180 degrees, this can be determine if the main line is a straight line, s for straight angle
A straight angle is 180 degrees, so simple subtraction:
180-81=99
I hope this helps!
please give thanks, maybe brainliest?
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