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).

Learn about the area of triangles with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Perimeter and area Perimeter and area. The perimeter and area of triangles, quadrilaterals (rectangle, parallelogram, rhombus, kite and square), circles, arcs, sectors and composite shapes can all ...