- 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. |