Angles in Triangles

Angles in Triangles

Angles in triangles

What are the angle properties of triangles?

• The three interior angles inside any triangle add up to 180°

• If the triangle is isosceles then two angles will be equal

  • These will be the two angles opposite the two sides of equal length

• If the triangle is equilateral then all three angles will be equal

  • Each angle will equal 60°

• A right-angled triangle has one 90° angle