Parallelogram and its properties.
Construct a parallelogram ABCD using parallel line tool.
Measure the length of the sides.
Measure all angles using angle tool.
As you drag the vertex of the figure , answer the following questions.
1. How are the lengths of the sides related?
2. How are the measures of the angles related?
3. The Adjacent angles in a parallelogram are supplementary.
4. Both pairs of opposite angles of a parallelogram are of equal measures.
Construct diagonals of the above parallelogram using segment tool and mark the point of intersection as O.
5. Diagonals of a parallelogram are equal in length.
6. Point O bisects diagonal AC
7. The diagonals AC and BD bisect each other at O.