Apply angle facts, triangle congruence, similarity and properties of quadrilaterals to derive results about angles and sides, including Pythagoras' Theorem, and use known results to obtain simple proofs
1. | By degrees: Calculate triangle angles from a given ratio | |
2. | Simply Similar 2 - select correct similarity test for given triangles | |
3. | Simply Similar 1 - select correct similarity test for given triangles | |
4. | Convincingly Congruent 3 - select correct congruency test for given triangles | |
5. | Convincingly Congruent 2 - select correct congruency test for given triangles | |
6. | Convincingly Congruent 1 - select correct congruency test for given triangles | |
7. | Convincingly Congruent and Simply Similar 2 - identify congruent and similar shapes | |
8. | Convincingly Congruent and Simply Similar 1 - identify congruent and similar shapes | |
9. | Leaning In On The Angles - angle sum of a quadrilateral | |
10. | ABCs 2 - angle sum of quadrilateral, degrees in revolution | |
11. | Shape Up! 16 - calculate value of x, angle sum of quadrilateral, algebraic expression | |
12. | Shape Up! 12 - calculate angle size, angle sum of a quadrilateral, algebraic expression | |
13. | Shape Up! 11 - calculate angle size, angle sum of a triangle | |
14. | Phoebe's Quadrilateral Quizz - angles of a rectangle | |
15. | Phoebe's Quirky Quadrilateral Quandaries 4 - identify square from properties | |
16. | Phoebe's Quirky Quadrilateral Quandaries 3 - diagonal properties of a rhombus | |
17. | Phoebe's Quirky Quadrilateral Quandaries 2 - sides and angles of a parallelogram | |
18. | Phoebe's Quirky Quadrilateral Quandaries 1 - angle sum of a quadrilateral | |
19. | Phoebe's Triangle Theorems 4 - sides and angles of equilateral triangles | |
20. | Phoebe's Triangle Theorems 3 - equal angles opposite equal sides | |
21. | Phoebe's Triangle Theorems 2 - exterior angle of triangle | |
22. | Shape Up! 7 - equilateral triangle, angle sum of triangle | |
23. | Shape Up! 6 - triangle geometry, equilateral and isosceles | |
24. | Shape Up! 3 - identify equal angles | |
25. | Shape Up! 2 - deduce type of triangle | |
26. | Shape Up! 1 - exterior angles of a triangle | |
27. | Circular Logic 5 - concyclic quadrilaterals | |
28. | Around in Circles 11 - circle geometry | |
29. | Around in Circles 10 - circle geometry | |
30. | Around in Circles 9 - circle geometry | |
31. | Around in Circles 8 - circle geometry |