Angle relationships
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Intros
Examples
Lessons
 Application of Supplementary Angles
Find the value of $x$.
 Complementary Angles on Polygons
Which of the following pair(s) is/are complementary angles?

Which of the following pair(s) is/are complementary angles?
 Application of Complementary Angles
If $\angle AOB=9x+29$ and $\angle BOC=2x+82$, find the value of $x$.
 Proving Vertical Angles Using Supplementary Angles
Use the idea of supplementary angles to prove for vertical angles.
 Application of Vertical Angles
Given that $\angle m=$43°, find the remaining angles in the diagram.

Given that $\angle AOC$=125° and $\angle DOE$=35°.

If $\angle AOD$=3x+14 and $\angle BOC$=7x18, find the value of x.
 Understanding Adjacent Angles
What of the following is/are adjacent angles?
 Finding Adjacent Angles
$\angle AOB$=30°, $\angle AOC$=100°.