Learn about complementary, supplementary, corresponding, alternate and vertically opposite angles with BBC BItesize Scotland maths for Third Level CfE.

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. \(c\) and \(30^\circ\) are called vertically ...

2. Sum of two angles of a triangle is 90 o and their difference is 50 o. Find all the angles of the triangle. 3. Prove that vertically opposite are equal. 4. The angles of a triangle are in the ...