# Category Archives: mathematica 6

## Polygons

image: mathatube.com

## Quadrilaterals

A Quadrilateral has 4 sides. Different types of Quadrilaterals: image: math-only-math.com Sum of the angles in a Quadrilateral: The angles in a Quadrilateral add up to 360° . image: ictedusrv.cumbria.ac.uk Did you know that all Squares … Continue reading

## Triangles

Different types of triangles: image: wikis.engrade.com Sum of the angles in a triangle: The angles in a triangle add up to 180º. image: wikieducator.org

## Vertically Opposite Angles

image: mathebook.net When two lines intersect, four angles are formed. Angles that are vertically opposite to each other will be equal. Which are the vertically opposite angles in the diagram below? image: mathsrevision.net Can … Continue reading

## Complementary & Supplementary Angles

image: sophia.org Complementary Angles: image: k12handhelds.com Complementary angles add up to 90°. Supplementary angles: image: k12handhelds.com Supplementary angles add up to 180°. Angles in a Revolution: image: accessscience.com … Continue reading