Geometric Proofs Lesson

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Geometry

Polygons and Proofs

Mrs. Morrison and Mrs. Rhoades

Mathematics Teachers

Draw

Checking in today!

Where are we at?

Weekly To Do List~~

​Complete Topics & Lesson Practice
Complete Any Canvas Assignments Due
Complete any DBA not already scheduled
Complete any remaining assignments

Agenda

Learning Targets

1. ​I can show mastery of polygons and quadrilaterals.
   

2. I can identify parallelograms based on their properties
   

3. I can Utilize tools provided to solve a proof of parallel and perpendicular lines

​Announcements
Assignments
Proofs Lesson
Interactive Questions
Quizizz
Resources & Support

Word Cloud

Write one word to describe how you are currently feeling as we wrap up our last unit in Geometry~

Draw

Let's get our brain in gear for today:)

Which of the shapes in the image provided is a parallelogram?

Multiple Choice

Including the Reflexive Property, state whether the triangles are congruent and why.

• no, not enough information

• yes, SAS

• yes, ASA

• yes, HL

Multiple Choice

Which of the following is NOT a triangle congruence theorem?

• HL
• SAS
• AAS
• AAA

​Proving Triangles Congruent Using the HL Congruence Property

Multiple Choice

Fill in the blank.

• Given
• Reflexive Property
• Transitive Property
• They're the same side!!!!!! 

​Proving Triangles Congruent Using CPCTC congruence Property

Drag and Drop

Drag the correct options to complete line 5 in the proof ​

Placeholder

​ ​ ​

Placeholder

Drag these tiles and drop them in the correct blank above

YZ≡YZ

▲XWZ ≡ ▲ZYX

SAS Congruence Property

ASA Congruence Property

▲WXZ ≡ ▲YZX

Draw

Use the following to fill in the blanks.

Note some may be used more than once and some may not be used at all*

Definition of a Parallelogram

<A

<B

180°

CD

CB

360°

If cons. int. <s are supp. , then the lines are ll

Quadrilateral Angle-Sum Property

​Angle measures involving diagonals of rectangles

​

​Teacher Work Space~ "I Do"

Multiple Choice

Solve for x in the rectangle.

• 25
• 20
• 30
• 25/3

Multiple Choice

  ABCD is a rectangle.  AB = 14, BC = 9, AC = 22.  Find BD.

• 11
• 14
• 9
• 22

Multiple Choice

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

• 2
• 12
• 13
• 28

Quadrilateral Flow Chart and Family Tree

Poll

Rate your confidence in the material covered today :)

• 0-2

  Nope.....

• 3-4

  Fair

• 5-6

  I can do it!

• 6-8

  Pretty Good

• 9-10
  Excellent

Open Ended

Share one topic you would like to take a closer look at in our review next week.

Geometry at ASU Prep Digital - Course Resources

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Mrs. Erin Morrison

H.S. Math Teacher
ASU Prep Digital
Arizona State University
phone: [phone]
Email: [e-mail]
web: http://www.asuprepdigital.org/

What questions do you have?

Ms. Miranda Rhoades

H.S. Mathematics Teacher

ASU Prep Digital

Arizona State University
phone: [phone]

Email: [e-mail]

web: http://www.asuprepdigital.org/