Lori has written the conjectures below. For each one, decide if it is true or not. If you believe it is not true, find a counterexample (an example that proves that the statement is false). Homework Help ✎
If a shape has four equal sides, it cannot be a parallelogram.
False. A rhombus and a square are counterexamples because both have
equal sides and opposite sides are parallel like in all parallelograms.
is more than , then must be more than .
Look at the Math Notes box for Lesson 4.1.4 for extra help.
What happens when
is more than ?
If two angles formed when two lines are cut by a transversal are corresponding, then the angles are congruent.
What if the lines are not parallel? Draw a diagram.