# Level 5 Learning Objects

## Geometry

 Trigonometry develops the concept of trigonometry from simple comparisons to more formal approaches (more info). Trigonometry: measuring with triangles Trigonometry: similar triangles Trigonometry: cosine Trigonometry: sine Trigonometry: tan Trigonometry: using sine Trigonometry: using cosine Trigonometry: using tan Trigonometry: find hypotenuse Trigonometry: find angles NLVM: Space manipulatives Pentominoes Tessellations Pattern blocks Geoboard Platonic solids Polyominoes Golden rectangle Learn Alberta: Exploring Space series (more info). Exploring diameter and circumference Exploring relationships of angles Learn Alberta: Exploring Measurement series (more info). Exploring triangles Exploring trigonometry

## Measurement

 Area of Compound Shapes helps users to find the area of compound shapes by breaking them into rectangles and triangles (more info). Compound shapes: small shapes Compound shapes: medium-sized shapes Compound shapes: large shapes Compound shapes Area of Triangles helps users to find the area of triangles (more info). Area of triangles: triangles with a right angle Area of triangles: height intersects with the base inside the triangle Area of triangles: height intersects with the base outside the triangle Area of triangles: triangles without vertical or horizontal sides Area of triangles Learn Alberta: Exploring Measurement series (more info). Exploring the Pythagorean theorem Exploring area and perimeter