12 Geometry

12.01 Geometrical diagrams

12.02 Measuring angles

12.03 Parallel lines and transversals

12.04 Triangles

12.05 Angles within triangles

12.06 Quadrilaterals

12.07 Transformations and congruence

12.08 Testing for triangle congruence

12.09 Using triangle congruence

12.10 Quadrilaterals built from triangles

Stage 4

12.10 Quadrilaterals built from triangles

Interactive practice questions

Which two types of quadrilaterals always have diagonals that $are equal in length$ ?

Trapezium

A

Parallelogram

B

Rectangle

C

Kite

D

Rhombus

E

Square

F

Medium

< 1min

Which four types of quadrilaterals always have diagonals that $bisect each other$ ?

Medium

< 1min

Which three types of quadrilaterals always have diagonals that $are perpendicular$ ?

Medium

< 1min

Which three types of quadrilaterals always have at least one diagonal that $bisects the angles it passes through$ ?

Medium

< 1min

Outcomes

MA4-12MG

calculates the perimeters of plane shapes and the circumferences of circles

MA4-17MG

classifies, describes and uses the properties of triangles and quadrilaterals, and determines congruent triangles to find unknown side lengths and angles

MA4-18MG

identifies and uses angle relationships, including those related to transversals on sets of parallel lines

What is Mathspace

About Mathspace