1. Triangle Sum Theorem Focus - Prove the Triangle Sum Theorem 2. If you add up the measures of the interior angles of a triangle, What is the total? 180º 25º 65º 3. How…

1. PolygonsPolygons A many sided figureA many sided figure 2. The cross section of a brilliant-cut diamond forms a pentagon. The most beautiful and valuable diamonds have…

Slide 1Holt McDougal Geometry 7-3 Triangle Similarity: AA, SSS, SAS 7-3 Triangle Similarity: AA, SSS, SAS Holt Geometry Warm Up Warm Up Lesson Presentation Lesson Presentation…

Slide 17-1 Ratios and Proportions You solved problems by writing and solving equations. Write ratios. Write and solve proportions. Slide 2 Ratio Slide 3 SCHOOL The number…

1.6.1 Ratios, Proportions, and the Geometric Mean6.1Bell Thinger3x2 . 1. Simplify 9xANSWERx 32. Solve 2n = 18 • 32. ANSWER2883. Solve 4x = 2x + 12.64. Solve x = √36 •…

1. 4.14.1 Apply Triangle Sum Properties Bell Thinger 1. 90º ANSWER right 2. 72º Classify each angle as acute, obtuse, or right. ANSWER acute 3. 116º ANSWER obtuse 2. 4.1…

1. GEOMETRY MILBY HIGH SCHOOL MR. SAUCEDO 4.1 Applying Triangle Sum Properties 2. OBJECTIVE We will classify triangles and find measures of their angles. 3. REVIEW On…

UNIT 8.2 SPECIAL RIGHT TRIANGLES Warm Up For Exercises 1 and 2, find the value of x. Give your answer in simplest radical form. 1. 2. Simplify each expression. 3. 4. Justify…

4.24.2 Apply Congruence and TrianglesBell Thinger1. When are two angles congruent?ANSWER when they have the same measureANSWER 452. In ABC, if m A = 64 and m B = 71, what…

UNIT 7.3 PROVING TRIANGLES SIMILAR Warm Up Solve each proportion. 1. 2. 3. 4. If ∆QRS ~ ∆XYZ, identify the pairs of congruent angles and write 3 proportions using pairs…