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.[br][br] A(-7,4); B(1,2); C(9,-8); D(1,-6)[br][br] 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.[br][br] A(-4,2); B(6,4); C(11,-2); D(2,-3)[br][br] 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.[br][br] A(-7,-4); B(1,-6); C(5,-13); D(1,-12)[br][br] 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.[br][br] A(0,8); B(6,10); C(2,0); D(-4,-2)[br][br] 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.[br][br] A(-9,-2); B(-5,1); C(1,-4); D(-3,-7)[br][br] 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.[br][br] A(1,5); B(10.7); C(14,1); D(-3,-1)[br][br] 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.