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Finding the value of two angles using corresponding and supplementary angles

👉 Learn how to solve for an unknown variable using parallel lines and transversal theorems. Two lines are said to be ...
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Angles at a point and on a straight line

Angles close angleAn angle is formed when two straight lines meet. around a point add up to 360°. This fact can be used to calculate missing angles.
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Using alternate interior angles to solve for x

👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be ...
BBC

Drawing and measuring angles

A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF) to ...