For triangles that are not right-angled, the base is one of the sides and the perpendicular height may be shown either inside or outside the shape, it is not another side.

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).

Right-angled triangles feature one angle measuring exactly 90 degrees, typically marked with a small square symbol. This crucial angle distinguishes these triangles from other geometric shapes and ...