YouTube on MSNOpinion

Consecutive 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 ...
YouTube on MSNOpinion

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 ...
BBC

Geometry and measure

Revise the different types of angles and rules for calculating angles. This guide includes interactive activities and a quiz. NEW: Angles in parallel lines Revise alternate, correspondent or ...
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 ...