'Triangle exterior angle theorem' presentation slideshows

Do Now

Do Now. I need a volunteer for the class job of pass-out specialist (benefit, you get a pass on Do Nows for the week) Find the measure of angle b Find the value of x. Review. Name the angle types and solve for b in each angle. Intro to Triangles.

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Chapter 5

Chapter 5 . Relationships Within Triangles. Warm Up:. Draw and cut out a triangle, any kind. Fold one of the vertices such that it touches the opposite side and fold. Measure the lengths a - f. Midsegments. The segment connecting the midpoints of two sides.

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Triangle Sum Theorem

Triangle Sum Theorem. The sum of the interior measures of the angles of a triangle is 180 degrees. Triangle Exterior Angle Theorem. The measures of each exterior angle of a triangle equals the sum of the measures of its two remote interior angles. Polygon.

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3.5 Parallel Lines and Triangles

3.5 Parallel Lines and Triangles. Objectives. To use parallel lines to prove a theorem about triangles To find measures of angles in triangles. Parallel Postulate. Postulate 3.3 Through a point not on a line, there is one and only one line parallel to the given line. Not Parallel. l. P.

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Section5.6 Inequalities in One Triangle

Section5.6 Inequalities in One Triangle. Objectives: To use inequalities involving angles and sides of triangles To use inequalities involving angles and sides of triangles MA. 912.G.4.7. Corollary to the Triangle Exterior Angle Theorem.

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1) What is the Triangle Exterior Angle Theorem?

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Objective: To classify triangles and find the measures of their angles.

Ch 3.4 Standard 12.0 : Students find and use measures of interior and exterior angles of triangles to classify figures and solve problems. Standard 13.0 Students prove relationships between angles in polygons by using properties of complementary, supplementary, vertical, and exterior angles.

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When you finish Do Now:

1/5: Apply the triangle sum theorem & exterior angle theorem to solve for missing angle measures. Apply the triangle sum theorem & exterior angle theorem to solve for missing angle measures. When you finish Do Now:. Flip Over Write down objective Complete warm-up. E. 87 ?. 180 - 145.

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