### Theory

 1 Concept of trapezium 2 Concept of kite 3 Concept of rhombus 4 Concept of rectangle 5 Concept of square

### Exercises

 1 Determine the parallel sides of the trapezium Difficulty: easy 2 2 Calculate the diagonals of the parallelogram Difficulty: easy 3 3 Find the interior angle of the rectangle Difficulty: easy 3 4 Determine the side length of the square Difficulty: easy 3 5 Find the measure of angles in trapezium Difficulty: medium 3 6 Find the interior angle in rhombus Difficulty: medium 4 7 Determine the shape Difficulty: medium 4 8 Determine the side length the kite Difficulty: medium 3 9 Estimate the diagonals of rectangle Difficulty: medium 4 10 Evaluate the diagonal of square Difficulty: medium 4 11 Calculate the unknown 'x' in the trapezium Difficulty: hard 5 12 Estimate the lengths of the rhombus Difficulty: hard 5 13 Calculate the sides of the rectangle Difficulty: hard 5 14 Calculate the side length of the rhombus Difficulty: hard 5

### Tests

 1 Training test Difficulty: medium 9

### Teacher manual

 1 Methodical recommendation