## Leaving Certificate Strand 2 Geometry and Trigonometry

Instructions: When opening Theorem and Construction file open the associated Student activity file at the same time.

### Theorems

 Theorem 7 Student Activity 7 Theorem 8 Student Activity 8 Theorem 11 Student Activity 11 Theorem 12 Student Activity 12 Theorem 13 Student Activity 13 Theorem 16 Student Activity 16 Theorem 17 Student Activity 17 Theorem 18 Student Activity 18 Theorem 20 Student Activity 20 Theorem 21 Student Activity 21

### Proofs

 Theorem 11 (HL) Theorem 12 (HL) Theorem 13 (HL) Theorem 11 (HL) - Alternative Proof

### Constructions

 Construction 16 Student Activity 16 Construction 17 Student Activity 17 Construction 18 Student Activity 18 Construction 19 Student Activity 19 Construction 20 Student Activity 20 Construction 21 Student Activity 21 Construction 22 Student Activity 22 (HL)

### Quiz on Constructions

 Quiz 1 Quiz 2

### Enlargements

 Translation Student Activity on Translation Reflection in axes Student Activity on Reflection Reflection in a point Student Activity on Reflection Enlargement 1 Enlargement 2 Student Activity

### Coordinate Geometry

 Area of a Triangle Student Activity Area of a Triangle Circle with Centre (0,0) 1 Student Activity Circle with Centre (0,0) 1 Circle with Centre (0,0) 2 Student Activity Circle with Centre (0,0) 2 Circles with Centre (0,0) 3 Student Activity Circle with Centre (0,0) 3 Circle with Centre (h,k) Student Activity Circles with Centre (h,k) Circles with Centre (-g,f) Student Activity Circles with Centre (-g,f) Dartboard Intersection of a line and circle Tangents to a circle

### Trigonometry

 f(x) = asinbx (Radians) Student Activity on asinbx f(x) = acosbx (Radians) Student Activity on acosbx f(x) = tanx f(x) = sinx and cos x f(x) = acosbx + csindx London Eye .sin sinx and cosx on Unit Circle a + sin (or) cos bx a + sin (or) cos bx (Editable Geogebra File)

### Interactive Tests

 Area of a triangle quiz Drawing Circles Quiz 1 Drawing Circles Quiz 2 Drawing Circles Quiz 3 Drawing Circles Quiz 4