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Question 1
4 marksAB AB\,AB and CD CD\,CD are parallel lines.
What is the angle sum on a straight line?
Revision notes for AQA GCSE Maths Angles in Parallel Lines. Open the guide for explanations and worked examples. Written against the AQA GCSE Maths (8300) specification, so the content matches what's examinable rather than general Maths background.
1 of 4
Two parallel lines are cut by a transversal. The top-right angle at the upper intersection is 72∘72^\circ72∘, and xxx is the top-right angle at the lower intersection. What is xxx?