1. 2. Apply angle properties to find the measure of the missing angle in each figure. ° 3. x = 27°Isosceles Triangle Theorem 4. Round 1 5. x = 123°linear pair 6. x = 41°vertical…

1. Geometry In My World… By: Jocelyn G 2. Theorem 4-1:If two lines intersect, thenthey intersect at exactlyone point.The red line and the greenline intersect at the pinkpoint.…

1. Geometry Angles of Triangles The Triangle Angle Sum Theorem The Exterior Angle Theorem 2. Remember! When you look at a figure, you cannot assume segments or angles…

Slide 1 Warm Up/ Activator Using scissors and a ruler, cut out a triangle from a piece of colored paper. Clean up your area afterwards. We will be using the triangle during…

Slide 1 Triangle Sum Theorem & Exterior Angle Theorem Slide 2 Work in groups to answer the questions. Try your best. 1.Name 2 pair of alternate interior angles  5…

Slide 1 Warm-Up  Find the value of x for which l || m Slide 2 SWBAT use parallel lines to prove a theorem about triangles SWBAT find measures of angles of triangles Slide…

Slide 1 Bellringer Find the slope going through the points. Use the given information to write an equation for each line.  1.  2. (2, 3), (  1,  6)  1. m=-2/3…

4-1 Classifying Triangles I. Geometric Shapes What is a triangle? A TRIANGLE is a three-sided polygon. II. How is a triangle labeled? III. Classification by Angles: One way…

Geometry: 4-1 Honors Geometry 4.1. Classifying Triangles Do Now: No need to write things- just discuss with someone near you. What is a triangle? How many sides does a triangle…

3-5 Parallel Lines and Triangles Bellringer Find the slope going through the points. Use the given information to write an equation for each line. 1. 2. (2, 3), (1, 6)…