PPT-1 Triangle Angle Sum Theorem, Triangle Exterior Angle Theor

Objectives State the triangle angle sum theorem and solve for an unknown angle in a triangle Classify triangles based on measures of angles as well sides State the triangle exterior angle theorem and solve for an unknown exterior angle of a triangle. 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 our lesson today. . Constructing Triangles. Common Core 7.G.2. Draw one straight line crossing another straight line. Measure all 4 angles.. C. A B. D. Angle A = Angle B Angle C = Angle D. Section 4.2. Objectives. Find angle measures in triangles.. Key Vocabulary. Corollary. Exterior angles. Interior angles. Theorems. 4.1 Triangle Sum Theorem. Corollary to the Triangle Sum Theorem. 4.2 Exterior Angle Theorem. Exterior Angles and Triangles. An . exterior angle. is formed by one side of a triangle and the extension of another side . (i.e. . . 1 ).. The interior angles of the triangle not adjacent to a given exterior angle are called the . Objectives. State the triangle angle sum theorem and solve for an unknown angle in a triangle. Classify triangles based on measures of angles as well sides. State the triangle exterior angle theorem and solve for an unknown exterior angle of a triangle. NPO = 50. CED = 55. DE = 11. PO = 33. UV = 36. CED = 37. Perimeter = 40. DE = 18. LM = 22. Review of Right Triangles. Triangle . Congruences. ASA (Angle-Side-Angle) . Postulate. If two angles and the included side in one triangle . Geometry Unit 4. Angles of A Triangle. Content Objective. : Students will be able to identify the properties and classifications of specific triangles, using them to solve problems.. Language Objective. Drawings 1 - 2. #1. Perpendicular to a line. #2. Skew lines and transversal. Drawings 3 - 4. #3. Parallel lines and transversal. #4. Marking congruent angles. Drawings 5 - 6. #5. Acute angles. #6. Obtuse angles. Constructing Triangles. Common Core 7.G.2. Vocabulary. Uniquely defined. Ambiguously defined. Nonexistent. Triangle Inequality Theorem. Let’s review what we learned yesterday with this video. . http://. 5.6 Instruction. TEST MONDAY!. Warm-up:. Sketch an angle bisector. . CCSS. 5.6 . Inequalities in . Two Triangles.  . Objective:. Apply the Hinge Theorem or its converse to make comparisons in two triangles.. .. . OR. . . a. 2. b. 2. = c. 2. c. a. b. leg. leg. hypotenuse. Pythagorean Triples. A set of nonzero whole numbers a, b, and c that satisfy the equation a. 2. b. 2. = c. 2. Here are some common ones to remember:. Angles of Triangles Objectives Find angle measures in triangles. Key Vocabulary Supplementary Angles Complementary Angles Exterior angles Interior angles Additional Vocabulary Theorem - Mathematics. a theoretical proposition, statement, or formula embodying something to be proved from other propositions or formulas. 2. a rule or law, especially one expressed by an equation or formula Ika Deavy M . (. 4101414013). Shiyanatussuhailah. . (. 4101414015). Arum . Diyastanti. (4101414017). Novia. . Wulan. . Dary. . (4101414019). ANGGOTA :. Theorem 7-5. The perpendicular bisectors of the sides of a triangle intersect in a point O that is equidistant from the three vertices of the triangle.. .. . OR. . . a. 2. + b. 2. = c. 2. c. a. b. leg. leg. hypotenuse. Pythagorean Triples. A set of nonzero whole numbers a, b, and c that satisfy the equation a. 2. + b. 2. = c. 2. Here are some common ones to remember:.