9. Measurement
Middle Years
9.01 Areas of special quadrilaterals
Interactive practice questions
If this parallelogram is cut along the dotted line, the pieces can be rearranged to form a rectangle:
a
Complete the table to find the area of the rectangle.
| $\text{Area of rectangle }$Area of rectangle | $=$= | $\text{length }\times\text{width }$length ×width | cm2 | |
| $A$A | $=$= | $\editable{}\times\editable{}$× | cm2 | (Fill in the values for the length and width) |
| $A$A | $=$= | $\editable{}$ | cm2 | (Complete the multiplication to find the area) |
b
Now find the area of the parallelogram.
Easy
Approx a minute
The rhombus on the left can be split into two triangles as shown.
Consider the rhombus shown on the left:
Consider the trapezium shown below which has been split into a rectangle and a right-angled triangle.
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