9.05 Quadrilaterals

State whether the following quadrilaterals are convex or concave:

a

b

c

d

e

Classify the following quadrilaterals using all the terms that apply out of:

rectangle, rhombus, kite, parallelogram.

a

b

c

d

e

f

g

h

i

What is largest number of internal reflex angles that a quadrilateral can have? Explain your answer.

What is the largest number of obtuse angles that a quadrilateral can have? Explain your answer.

What is the largest number of right angles that a quadrilateral can have? Explain your answer.

Can a quadrilateral have exactly 2 right angles? If so, name a quadrilateral that could have two right-angles.

Can a quadrilateral have exactly 3 right angles? If so, name a quadrilateral that could have two right-angles.

Determine whether each quadrilateral is a trapezium, parallelogram, or neither:

a

b

c

d

Find the value of x in the following quadrilaterals:

a

b

c

d

e

f

g

h

i

j

k

Find the value of the pronumerals in the following quadrilaterals:

a

b