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Using parallel lines to solve for X and Y

Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be parallel ...
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Corresponding angles theorem with parallel lines

👉 Learn about parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and are drawn straight to each other such that they cannot meet. In geometry, ...
BBC

Higher – Calculations using the alternate segment theorem, tangents and chords

It is important to remember other angles rules, such as angles on a straight line add up to 180°, and to recognise angles in parallel lines. Make sure you are confident in applying Pythagoras’ theorem ...
The Guardian

The wrong angle on Pythagoras’s theorem

Catherine Scarlett responds to an article about US teenagers who claim to have proved the theorem using trigonometry While it is heartening to see enthusiastic mathematical inquiry in young people and ...
BBC

Module 4 (M4) - Geometry and measures - Circle theorems

Circle theorems are properties that are true for all circles, regardless of their size. There are six theorems to learn and recognise. Questions can have a combination of theorems. It is important to ...