Geometry Quadrilaterals Theorem

Diagonals Bisect each other. (Click all that apply)

• Parallelogram

• Rectangle

• Rhombus

• Square

• Trapezoid

If the figure is a rectangle, the value of x is...

• 2

• 12

• 13

• 28

Rhombus: Find the measure of ∠2:

• 59°

• 45°

• 118°

• 90°

Given trapezoid ABCD with median (labeled as shown).

Find EF.

• 8

• 14

• 17

• 19

What is reason #3? Make sure you write-in the reasons on your proofs.

• Definition of a parallelogram

• Definition of a quadrilateral

• opposite sides are congruent property

• opposite sides are supplementary

What is reason #4?

• Same-side interior angles theorem

• alternate interior angles theorem

• consecutive angles theorem

• supplementary angles

What do a rhombus and a rectangle have in common?

• they are both parallelograms

• they always have four right angles

• they are not polygons

• they have five sides

A _______________ is a quadrilateral with two sets of parallel sides.

• trapezoid

• parallelogram

• triangle

What is reason #5?

• vertical angles theorem

• stuck together and sharing a side theorem

• shared side property

• reflexive property

What is reason #6?

• SSS

• AAS

• ASA

• SAS