Bases and Heights of Parallelograms
———————————————————————————————————————————————————
What is the Base of a Parallelogram?
- Drag F to create a family of parallelograms with the same base and the same height.
- Drag E along the line to create a family of parallelograms with the same height.
———————————————————————————————————————————————————
To Measure the Height of a Parallelogram.
- Click on the point tool and create a point on the length of the parallelogram.
- Create another point directly opposite the point you created.
- Create a third point at a vertex of the figure.
- Use the segment tool to connect the first 2 points you created.
- Use the angle tool to measure the insert the angle the segment makes with the base. Start from the last point and move clockwise.
- Adjust the vertical line to make 90 degrees with the base.
- Click on the distance tool and measure the height of the figure.
———————————————————————————————————————————————————
To Identify the Base and the Height of a Parallelogram.
(1). For each parallelogram here, use the SEGMENT tool 
to construct its base and height. Drag a label next to each segment to denote what it represents.
(2). For the parallelograms above, record these lengths in the table below. In the last row, write an expression (using b and h) for the area of any parallelogram.
———————————————————————————————————————————————————
———————————————————————————————————————————————————
———————————————————————————————————————————————————
(1). Select all the statements that are true about bases and heights in a parallelogram.