Learn how to find the angles in right-angled triangles with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Use your knowledge about isosceles triangles - two angles are always the same size. Find out what the total missing value is first: 180° - 50° = 130° Angles d and e must now both equal 130 ...

Area of Triangle Formula: In general, "area" refers to the region inside the boundary of a flat object or figure and is measured in square units, with the standard unit being square meters (m²).

Students are often unsure why angles in the same segment of a circle have to be equal. Colin Foster explains how to make it ...