Develop and apply formulas for determining the area of:
- triangles
- parallelograms
- circles.
[CN, PS, R, V]
| (a) |
Illustrate and explain how the area of a rectangle can be used to determine the area of a triangle. |
| (b) |
Generalize, using examples, a formula for determining the area of triangles. |
| (c) |
Illustrate and explain how the area of a rectangle can be used to determine the area of a parallelogram. |
| (d) |
Generalize, using examples, a formula for determining the area of parallelograms. |
| (e) |
Illustrate and explain how to estimate the area of a circle without the use of a formula. |
| (f) |
Illustrate and explain how the area of a circle can be approximated by the circumference of the circle times its radius. |
| (g) |
Generalize a formula for finding the area of a circle. |
| (h) |
Solve problems involving the area of triangles, parallelograms, or circles. |
