9.05 Quadrilaterals

Interactive practice questions

Select three $convex quadrilaterals$ :

Easy

< 1min

Select all $concave quadrilaterals$ :

Easy

< 1min

Select the two $parallelograms$ :

Easy

< 1min

Select the two $kites$ :

Easy

< 1min

Demonstrate that the angle sum of a triangle is 180° and use this to find the angle sum of a quadrilateral

Classify triangles according to their side and angle properties and describe quadrilaterals