Angles

How to Find Vertical Angles

How to Find Vertical Angles

In this article, you will learn how to Find Vertical angles in a few simple steps. Step by step guide to Finding Vertical angles The intersecting lines form an \(X\)-shape, and the angles on the two opposite sides of this \(X\) are called vertical angles. The two vertical angles are always the same size and they have the same vertex. The bisector of two vertical angles makes a straight angle. In the diagram at the right, lines  and are straight: Angle\(1\)+ Angle\(3\)=\(180\)(because it is a straight angle)Angle\(2\)+ Angle\(3\)=\(180\)(because it is a straight...
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How to Solve Unknown Angles

How to Solve Unknown Angles

In this article, you will learn how to solve unknown angles in a few simple steps. Step by step guide to Solve for unknown angles To determine the measurement of an unknown angle, we must identify the angle relationship(s), and then model the relationship with an equation that will yield the unknown value. If the sum of the measurements of two angles is \(90^{\circ}\), angles are complementary angles and one is the complement of the other. If two complementary angles are adjacent to each other (have a vertex and a common side), the other two non-common sides will form a right...
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