Dr Frost covers recognising vertically opposite, alternate, corresponding and cointerior angles. Suitable for GCSE Foundation and Higher tiers.
00:00 Corresponding angles
00:38 Alternate angles
01:08 Vertically opposite angles
01:42 Cointerior angles
02:33 Example 1
03:51 Example 2
05:29 Example 3
05:50 With an isosceles triangle
07:05 Challenge question
More angles involving parallel lines practice: https://www.drfrost.org/explorer.php?cuid=282749&skid=132&utm_medium=social&utm_source=youtube&utm_campaign=2025-content-refresh
#maths #parallel #angles #gcse
