Graded Assignment: Geometry Semester A - Part 2
Skyla Jones
Ms. Dykstra
Geometry
December 23, 2020
1.
Write a two-column proof for the following conjecture. You may not need to use all of the rows
of the two-column table provided below. You may also add additional rows if needed. Given:
Prove: parallelogram ABCD triangle A and B are supplementary. triangle B
and C are
supplementary.
Answer:
Statement
Reason
Parallelogram ABCD
Given
AB||DC and AD||BC
Opposite sides of a parallelogram are equal
∠A and ∠B are same side interior
angles and ∠B and ∠C are same
side interior angles.
Definition of parallelogram
m∠A+m∠B=180° and
m∠B+m∠C=180°
Same side angles of a parallelogram are of
180°
∠A and ∠B are supplementary and
∠B and ∠C are supplementary
Definition of supplementary angles.

Graded Assignment: Geometry Semester A - Part 2
Skyla Jones
Ms. Dykstra
Geometry
December 23, 2020
2.
Using a straightedge and compass, construct the perpendicular bisector of
FG
Answer: