2G1 1.3 Properties of Quadrilaterals

1.3 Properties of Special Quadrilaterals

Hotspot

Locate all quadrilaterals in this picture.

All 4-sided shapes are known as 'quadrilaterals'.

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Quadrilaterals

Poll

What is the sum of angles in a quadrilateral?

• 180^o

• 270^o

• 360^o

• 540^o

Multiple Choice

Select the correct properties of the quadrilateral shown.

• All sides are equal

• Two pairs of parallel sides

• Opposite angles are equal

• Each angle is 90^o

Multiple Choice

What is the name of the quadrilateral shown?

• Square

• Parallelogram

• Rhombus

• Trapezium

Multiple Choice

Select the correct properties of the quadrilateral shown.

• All sides are equal

• Two pairs of parallel sides

• One pair of parallel sides

• Each angle is 90^o

Interior angles of parallel lines

y

x

angle x = angle y

Try It 9! (Txtbk pg 20)

Draw

Find the unknown length, y.

Fill in the Blanks

Try It 10! (Txtbk pg 21)

Fill in the Blanks