Establishing Triangle Similarity

7.4a Triangle Proportionality

Complete the warm up at the top of the page.

Multiple Choice

Determine whether the triangles are similar. If so, write a similarity statement. Explain your reasoning.

• Yes, AAA Congruence

• Yes, AA Similarity Theorem

• Yes, ASA Congruence Theorem

• No, SSA Congruence Theorem

Multiple Choice

Determine whether the triangles are similar. If so, write a similarity statement. Explain your reasoning.

• Yes, SAS Similarity Theorem

• No, Sides aren't Proportional

• Yes, SSA Congruency theorem

Multiple Choice

Determine whether the triangles are similar. If so, write a similarity statement. Explain your reasoning.

• No, non Proportional Angles

• Yes, SAS Similarity Theorem

• No, Non Proportional sides

• Yes, SAS Congruence Theorem

Fill in the Blanks

Find PS

Multiple Choice

Solve for X

• 2

• $$4.4\overline{4}$$

• 4

• 3.6

go to the next slide if you need nore room to solve for AD

Fill in the Blanks

Find X 

Fill in the Blanks

Find DE

Fill in the Blanks

Find Y

Fill in the Blanks

Find AD

HW: Watch 7.4b Lesson In canvas

Make sure to submit your lessons after you watch the lesson.