Geometry
Geometry

This free course is available to start right now. Review the full course description and key learning outcomes and create an account and enrol if you want a free statement of participation.

Free course

Geometry

2.2 Geometric shapes – quadrilaterals

The next few activities explore some properties of quadrilaterals and their diagonals.

Activity 7: Quadrilaterals

Click here [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] for an activity on parallelograms.

Now try the same activity for the following shapes:

Click here for an activity on squares.

Click here for an activity on rectangles.

Click here for an activity on rhombi (that's the plural of ‘rhombus’).

Click here for an activity on kites.

Try some yourself

Now try to construct your own shapes from the diagonals here.

Some of the properties of these shapes and their diagonals are summarised in the attached Quadrilateral table.

Click ‘Document’ to open the Quadrilateral table.

Document

Which ones did you spot?

MU120_4M7

Take your learning further

Making the decision to study can be a big step, which is why you'll want a trusted University. The Open University has over 40 years’ experience delivering flexible learning and 170,000 students are studying with us right now. Take a look at all Open University courses.

If you are new to university level study, find out more about the types of qualifications we offer, including our entry level Access courses and Certificates.

Not ready for University study then browse over 900 free courses on OpenLearn and sign up to our newsletter to hear about new free courses as they are released.

Every year, thousands of students decide to study with The Open University. With over 120 qualifications, we’ve got the right course for you.

Request an Open University prospectus