logging in or signing up geo. lesson 1.4 jwaychoffths Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 95 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: August 22, 2010 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Slide 1: Solve each equation. 1. 5x + 6 + 2x – 14 = 90 2. 4x – 30 + x + 25 = 180 Warm-Ups 1.4 Day 1 Slide 11: EXAMPLE 1 Name angles Slide 12: EXAMPLE 2 Measure and classify angles SOLUTION A protractor has an inner and an outer scale. When you measure an angle, check to see which scale to use. Slide 13: EXAMPLE 2 Measure and classify angles Slide 14: GUIDED PRACTICE for Examples 1and 2 1. Name all the angles in the diagram at the right.Which angle is a right angle? Slide 15: GUIDED PRACTICE for Examples 1and 2 2. Draw a pair of opposite rays. What type of angle do the rays form? Slide 16: EXAMPLE 3 Find angle measures SOLUTION Angle Addition Postulate Substitute angle measures. 145 = 6x + 7 Combine like terms. Subtract 7 from each side. 138 = 6x Divide each side by 6. 23 = x Slide 17: EXAMPLE 3 Find angle measures Slide 18: GUIDED PRACTICE for Example 3 Find the indicated angle measures. Straight angle Substitute angle measures. Combine like terms. Subtract 2 from each side. Divide each side by 14. SOLUTION Slide 19: GUIDED PRACTICE for Example 3 Slide 20: GUIDED PRACTICE for Example 3 4. Given that EFG is a right angle, find m EFH and m HFG. Substitute angle measures. Combine like terms. Subtract 3 from each side. Divide each side by 3. SOLUTION Slide 21: GUIDED PRACTICE for Example 3 Homework 1.4 Day 1 : Homework 1.4 Day 1 pp. 28–32 Exs. 1–21, 65–73 Slide 23: Solve the equation. Warm-Ups 1.4 Day 2 Slide 24: EXAMPLE 4 Identify congruent angles Trapeze Slide 25: GUIDED PRACTICE for Example 4 5. Identify all pairs of congruent angles in the diagram. There are two pairs of Congruent angles in the diagram. SOLUTION Slide 26: GUIDED PRACTICE for Example 4 SOLUTION Congruent angles Congruent angles Slide 27: SOLUTION EXAMPLE 5 Double an angle measure Slide 28: GUIDED PRACTICE for Example 5 Slide 29: GUIDED PRACTICE for Example 5 Angle addition postulate Straight angle Add Divided each side by 2 Homework 1.4 Day 2 : Homework 1.4 Day 2 pp. 28–32 Exs. 22–39, 51–58,64 You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
geo. lesson 1.4 jwaychoffths Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 95 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: August 22, 2010 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Slide 1: Solve each equation. 1. 5x + 6 + 2x – 14 = 90 2. 4x – 30 + x + 25 = 180 Warm-Ups 1.4 Day 1 Slide 11: EXAMPLE 1 Name angles Slide 12: EXAMPLE 2 Measure and classify angles SOLUTION A protractor has an inner and an outer scale. When you measure an angle, check to see which scale to use. Slide 13: EXAMPLE 2 Measure and classify angles Slide 14: GUIDED PRACTICE for Examples 1and 2 1. Name all the angles in the diagram at the right.Which angle is a right angle? Slide 15: GUIDED PRACTICE for Examples 1and 2 2. Draw a pair of opposite rays. What type of angle do the rays form? Slide 16: EXAMPLE 3 Find angle measures SOLUTION Angle Addition Postulate Substitute angle measures. 145 = 6x + 7 Combine like terms. Subtract 7 from each side. 138 = 6x Divide each side by 6. 23 = x Slide 17: EXAMPLE 3 Find angle measures Slide 18: GUIDED PRACTICE for Example 3 Find the indicated angle measures. Straight angle Substitute angle measures. Combine like terms. Subtract 2 from each side. Divide each side by 14. SOLUTION Slide 19: GUIDED PRACTICE for Example 3 Slide 20: GUIDED PRACTICE for Example 3 4. Given that EFG is a right angle, find m EFH and m HFG. Substitute angle measures. Combine like terms. Subtract 3 from each side. Divide each side by 3. SOLUTION Slide 21: GUIDED PRACTICE for Example 3 Homework 1.4 Day 1 : Homework 1.4 Day 1 pp. 28–32 Exs. 1–21, 65–73 Slide 23: Solve the equation. Warm-Ups 1.4 Day 2 Slide 24: EXAMPLE 4 Identify congruent angles Trapeze Slide 25: GUIDED PRACTICE for Example 4 5. Identify all pairs of congruent angles in the diagram. There are two pairs of Congruent angles in the diagram. SOLUTION Slide 26: GUIDED PRACTICE for Example 4 SOLUTION Congruent angles Congruent angles Slide 27: SOLUTION EXAMPLE 5 Double an angle measure Slide 28: GUIDED PRACTICE for Example 5 Slide 29: GUIDED PRACTICE for Example 5 Angle addition postulate Straight angle Add Divided each side by 2 Homework 1.4 Day 2 : Homework 1.4 Day 2 pp. 28–32 Exs. 22–39, 51–58,64