5-Minute Check Find m  ABD 1. Answer 18 & 72 2. Answer 180, Straight Line.

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5-Minute Check Find m  ABD 1. Answer 18 & Answer 180, Straight Line

Objective(s): Students will analyze special angle relationships to determine angle measures. Why? So you can determine measures in a real world application, as seen in EX 12. Mastery is 80% or better on the 5-Minute Checks and Indy Work

Vocabulary

Skill Develop- Identify complements and supplements Answer 1 part at a time.

Quick Write Are  ABD and  BDE adjacent angles? Is there any relationship? Justify you answers.

Think, Ink,Share (Draw the figure in your notes) Answer Angles DEF & ABC Answer Angles FEG & ABC Answer Angles DEF & FEG

Guided--Find the measures of complements and supplements Use a picture to help  so Use the angle addition postulate

Guided---Find the measures of complements and supplements Use a picture to help so Use the angle addition postulate

Your turn: (complete in your notes) Answer 17 degrees Answer 143 degrees

Let’s apply it These angles are supplementary and they form a _______________ Linear pair Now substitute expressions in Now solve for x Are we done?

What was the Objective for Today? Students will analyze special angle relationships to determine angle measures. Why? So you can determine measures in a real world application, as seen in EX 12. Mastery is 80% or better on the 5-Minute Checks and Indy Work

On Your Own Page # 2-30 Even

Exit Slip Explain in your own words what Adjacent, Complimentary and Supplementary are…