Angles in triangles and quadrilateralsAngles in a rhombus

Angles inside a shape are called interior angles. Interior angles in a triangle add up to 180°. Interior angles in a quadrilateral add up to 360°.

Part ofMathsAngle, symmetry and transformation

Angles in a rhombus

A has two pairs of opposite and equal angles. It is formed by joining two identical isosceles triangles base to base.

Rhombus 1

Its diagonals are not equal but cut each other in half at right angles.

Rhombus 2