Check list:

  1. Revise basic results established in earlier grades regarding lines, angles and triangles, especially the similarity and congruence of triangles.
  2. Investigate line segments joining the mid-points of two sides of a triangle.
  3. Define the following special quadrilaterals: the kite, parallelogram, rectangle, rhombus, square and trapezium. Investigate and make conjectures about the properties of the sides, angles, diagonals and areas of these quadrilaterals. Prove these conjectures.
  4. Solve problems and prove riders using the properties of parallel lines, triangles and quadrilaterals.

The basics:
Videos from learn.mindset.co.za
Relevant sections in Everything Maths:Still want to learn more? Try these links:

Triangles:
Videos from learn.mindset.co.za
Relevant sections in Everything Maths:Still want to learn more? Try these links:

Quadrilaterals:
Videos from learn.mindset.co.za
Mind Action Series: Mathematics 10 Textbook & Workbook (2011)
Exercise 1 Page 184
Exercise 2 Page 195
Exercise 3 Page 200
Exercise 4 Page 201
Exercise 5 Page 203
Exercise 6 Page 209
Investigation Page 211
Exercise 7 Page 213
Relevant sections in Everything Maths:Still want to learn more? Try these links:

Practice the concepts:

Videos from learn.mindset.co.za
Mind Action Series: Mathematics 10 Textbook & Workbook (2011)
Mixed Revision Exercise Page 215
Some Challenges Page 217
Relevant sections in Everything Maths: