Angles Summary

Angles

Summary

an angle is formed when two lines intersect at a point called the vertex. problems with angles often involve triangles, other polygons, parallel lines and circles.

Key Skills
  • identify and name different types of angles.
  • know the angle properties associated with parallel lines.
  • know angle properties relating to triangles, quadrilaterals, lines and points.
  • solve problems involving the above properties.

Vocabulary

vertex, degree, minute, complementary angles, supplementary angles, adjacent angles, acute angle, right angle, obtuse angle, reflex angle, congruent, vertically opposite, transversal, corresponding angles, alternate angles, co-interior angles.