Exterior Angles of  s #2 Find the measure of x in each of the following figures using the exterior angle theorem. 1)2) 4) 3) Find the value of x in each.

Slides:



Advertisements
Similar presentations
The Triangle Sum Theorem.  The sum of the measures of the angles of a triangle are equal to 180 degrees < 5 = < 3 and < 4= < 1 because alternate.
Advertisements

3.5 Parallel Lines and Triangles
4.2 Angles of Triangles Objectives: *Apply the Angle Sum Theorem.
An exterior angle is outside the triangle and next to one of the sides. 4-2 Exterior Angle Theorem.
3-5 Parallel Lines and Triangles
Geometry Chapter Polygons. Convex Polygon – a polygon with a line containing a side with a point in the interior of the polygon.
Use Parallel Lines and Transversals
Lesson 3.5 AIM: The Polygon Exterior Angle Sum Theorem
7.3 Formulas for Polygons Objectives: 1.Know and use formulas for polygons: i.sum of interior angles ii.sum of exterior angles iii.number of diagonals.
3-2 Angles and Parallel Lines
4-2 Angles of Triangles Objectives: The student will be able to: 1. Apply the Triangle-Sum Theorem. 2. Apply the Exterior Angle Theorem.
HOW TO FIND AN ANGLE MEASURE FOR A TRIANGLE WITH AN EXTENDED SIDE
Triangles and Lines – Sum of the Angles in a Triangle The sum of the angles in any triangle = 180°
3.2 Properties of Parallel Lines Objectives: TSW … Use the properties of parallel lines cut by a transversal to determine angles measures. Use algebra.
3.4 parallel Lines and the Triangle Angle-Sum Theorem
Triangle Angle Sum Theorem, Triangle Exterior Angle Theorem
Warm-Up x + 2 3x - 6 What is the value of x?. Geometry 3-3 Proving Lines Parallel.
PROVING LINES PARALLEL. CONVERSE OF  … Corresponding Angles Postulate: If the pairs of corresponding angles are congruent, then the lines are parallel.
Bellwork 1) Find x 2)Simplify 3)Find x 2 x 5 x
Warm Up Week 4. Section 11.1 Day 1 I will find the measures of interior and exterior angles of a polygon. 180 ⁰ 360 ⁰ 540 ⁰ 720 ⁰ 3 sides 4 sides.
A) Find the measure of
Section 3-3 Parallel Lines and Transversals. Properties of Parallel Lines.
1. Write a proof of the alternate exterior angles theorem.
Do Now. Section 8.2 Angles in Polygons Polygon Interior Angles Theorem The sum of the measures of the interior angles of a convex polygon with n sides.
Lesson 5.2 Polygon Exterior Angle Sum HOMEWORK: 5.2/ 1-10.
Section 3.2 Parallel Lines and Transversals Learning Goal: Students will identify congruent angles associated with parallel lines and transversals and.
 4.1 Classifying Triangles. Example 1 Example 2.
Geometry Section 11.1 Angle Measures in Polygons
+ Angle Relationships in Triangles Geometry Farris 2015.
3-5 Parallel Lines and Triangles I can apply the triangle angle sum theorem to find the values of variables. I can apply the exterior angle theorem to.
What’s your angle? Practice, practice, and more practice.
Polygons. Polygon Interior Angle Theorem The sum of the measures of the interior angles of a convex polygon is given by: Sum = 180(n – 2) where n represents.
7.1 Interior and Exterior Angles in Polygons. What is the sum or the interior angles in a triangle? 30 ° 60 ° 100 ° 30 ° 50 ° 60 ° 80 ° 60 ° 40 ° 80 °
3.1 – 3.2 Quiz Review Identify each of the following.
Exterior Angle Theorem Parallel Lines Cut by a Transversal
Angles of Triangles.
Measuring Angles in Triangles
Name the type of triangle shown below.
3.2- Angles formed by parallel lines and transversals
Geometry 3-2 Angles and Algebra
PROPERTIES OF PARALLEL LINES POSTULATE
1.) In the following figure, find the value of x if m || n.
Proving Lines are Parallel
Parallel Lines and Transversals
3.5 Parallel lines and Triangles
Angles of Triangles 4.2.
Exterior Angles of Triangles
Use Parallel Lines and Transversals
Name That Angle Geometry Review.
Parallel Lines and Angles
Proving Lines Parallel
Warm-up Find x a) b).
Exterior Angles of Triangles
Chapter 3: Parallel and Perpendicular Lines
Inside angles theorem.
Warm-up Find x a) b).
3.2- Angles formed by parallel lines and transversals
Use Parallel Lines and Transversals
Warm-up Find x a) b).
V L T The sum of the interior angles of a triangle is 180 degrees.
Parallel Lines and Transversals
Module 14: Lesson 3 Proving Lines are Parallel
Base Angles & Exterior Angles
Properties of parallel Lines
Exterior Angle Theorem
Proving Lines Parallel
5.2-Inequalities and Triangles
3-4 Triangles.
Module 15: Lesson 1 Interior & Exterior Angles
Do Now.
Presentation transcript:

Exterior Angles of  s #2 Find the measure of x in each of the following figures using the exterior angle theorem. 1)2) 4) 3) Find the value of x in each of the following figures using the exterior angle theorem, then find all the angles.

Find the measure of each of the exterior and interior angles of the following figures. 5) 6)  GER +  TRO +  ROM= _____  CHS +  RSF +  SRI = _____

Find the measure of each of the exterior and interior angles of the following figures. 7)8)

Find the value of each variable, then find the measure of each of the exterior and interior angles in the following figure. 9)