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secondary 4 | E Maths
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little help from this..been having trouble
Date Posted: 4 years ago
Views: 282
x = 125 - 50 = 75 (exterior angle of a triiangle is the sum of the other two angles in the triangle which is not adjacent to the exterior angle)
(Alternatively, you can find the other angle inside the triangle which is 180 - 122 = 55, then x = 180 - 55 - 50 = 75, because angles on a straight line and sum of angles in a triangle are both 180)
Since there are two parallel lines,
y = 125 (corresponding angles)
All my measurements are in degrees.
(Alternatively, you can find the other angle inside the triangle which is 180 - 122 = 55, then x = 180 - 55 - 50 = 75, because angles on a straight line and sum of angles in a triangle are both 180)
Since there are two parallel lines,
y = 125 (corresponding angles)
All my measurements are in degrees.
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