Quick Revision

Need some help with quick revision of key concepts?

We’ve put together some packs of study cards to help you brush up on key concepts before tests and exams. Use the drop down menus in the search boxes above to select the grade, subject and category of content you want to revise. We’re adding new packs of study cards all the time, so check back if you can’t find what you’re looking for or contact us to make a suggestion.

Grade
Subject
Category
Grade 12 Mathematics, Space, shape and measurement

What is a cyclic quadrilateral?

Grade 12 Mathematics, Space, shape and measurement

A cyclic quadrilateral has all four points of the quadrilateral on the circumference of the same circle.

Grade 12 Mathematics, Space, shape and measurement

In coordinate geometry, what is the median?

Grade 12 Mathematics, Space, shape and measurement

The median is the line drawn from the vertex of a triangle to the mid-point of the opposite side.

Grade 12 Mathematics, Space, shape and measurement

What is the perpendicular bisector of a line?

Grade 12 Mathematics, Space, shape and measurement

The perpendicular bisector is a straight line that is at a right angle to another straight line and which passes through the mid-point of that line.

Grade 12 Mathematics, Space, shape and measurement

Describe the reflection of a shape.

Grade 12 Mathematics, Space, shape and measurement

Reflection is a transformation that produces the mirror image of a shape.

Grade 12 Mathematics, Space, shape and measurement

Describe the rotation of a shape.

Grade 12 Mathematics, Space, shape and measurement

Rotation is a transformation in which the shape is rotated by a given angle about a fixed point, which may be inside or outside the shape.

Grade 12 Mathematics, Space, shape and measurement

Define supplementary and complementary angles.

Grade 12 Mathematics, Space, shape and measurement

Supplementary angles add up to 180 degrees. Complementary angles add up to 90 degrees.

Grade 12 Mathematics, Space, shape and measurement

Describe the translation of a shape.

Grade 12 Mathematics, Space, shape and measurement

A translation is a transformation in which each point in the shape is moved in the same direction and for the same distance. It is a slide with no turn.

Grade 12 Mathematics, Space, shape and measurement

In geometry, what are subtended angles?

Grade 12 Mathematics, Space, shape and measurement

Subtended means to lie under or opposite to. Subtended angles are created by chords and arcs.

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