Part 1 Proving a Quadrilateral is a Parallelogram (30 points)
Name of Team Members:
Method 1: Using Distance
A) Use the tools menu to create the following quadrilateral.
A(-7,4); B(1,2); C(9,-8); D(1,-6)
Use the measurement tool to find the length of each side.
IS ABCD a parallelogram? Justify your answer using your findings.
B) Use the tools menu to create the following quadrilateral.
A(-4,2); B(6,4); C(11,-2); D(2,-3)
Use the measurement tool to find the length of each side.
IS ABCD a parallelogram? Justify your answer using your findings.
Method 2: Slope Formula
A) Use the tools menu to create the following quadrilateral.
A(-7,-4); B(1,-6); C(5,-13); D(1,-12)
Use the measurement tool to find the slope of each side.
IS ABCD a parallelogram? Justify your answer using your findings.
B) Use the tools menu to create the following quadrilateral.
A(0,8); B(6,10); C(2,0); D(-4,-2)
Use the measurement tool to find the slope of each side.
IS ABCD a parallelogram? Justify your answer using your findings.
Method 3: Distance and Slope
A) Use the tools menu to create the following quadrilateral.
A(-9,-2); B(-5,1); C(1,-4); D(-3,-7)
Use the measurement tools to find the slope and length of one pair of opposite sides.
IS ABCD a parallelogram? Justify your answer using your findings.
B) Use the tools menu to create the following quadrilateral.
A(1,5); B(10.7); C(14,1); D(-3,-1)
Use the measurement tools to find the slope and length of one pair of opposite sides.
IS ABCD a parallelogram? Justify your answer using your findings.