- MA5-GEO-C-01 identifies and applies the properties of similar figures and scale drawings to solve problems
📖 Prior Knowledge
| Content | Prior knowledge | Used for |
|---|---|---|
| Ratios and Rates | - solving ratios problems | - solving problems involving similar figures |
| Properties of Geometrical Figures | - angle sum of a triangle and quadrilateral - naming conventions for polygons and angles | - writing similarity statements |
Identify and describe the properties of similar figures.pdf
- Describe similar figures as having the same shape but not necessarily the same size
- Verify and explain that in similar polygons, the corresponding angles are equal and the corresponding side lengths are in the same proportion
- Name the vertices in matching order when using the similar symbol (~) in a similarity statement
- Match the corresponding sides and angles of similar polygons
Solve problems using ratio and scale factors in similar figures.pdf
- Apply an appropriate scale to enlarge or reduce a diagram
- Determine the scale factor for pairs of similar polygons and circles
- Apply knowledge of scale factor to find unknown sides in similar polygons
- Solve problems involving unknown lengths and scale factors of similar figures and related practical problems
- Solve problems involving scale drawings, with or without digital tools