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How to find the angle measure of angle 1?​
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How to find the angle measure of angle 1?​

How to find the angle measure of angle 1?​-example-1
User Chiffon
by
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1 Answer

7 votes
70 degrees
a triangle has a sum of 180 degrees
two points are given: 40 & 30
40+30 is 70
180-70 = 110
the missing point is 110
a straight line is 180 degrees as well
to find 1 u need to subtract 180 by 110
which makes 1 70 degrees
User Suppie
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