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Triangles Sum Types of Triangles…… • Scalene Triangle: • A triangle with no 2 sides of equal length. Angles of a Triangle…… • The sum of ALL 3 angles of a triangle add up to 180 degrees!!!!!!! • What is the missing angle measure? Use the triangle shown to answer the questions. • Angle B is what degree? • Is it acute? • Is it isosceles? Example…… • What kind of triangle is ABC if mA 70 and • First find mC. mC 180 (70 10 ) mC 100 mB 10 ? • Triangle ABC is an obtuse triangle. Example…… • What kind of triangle is ABC if mA 70 and • First find mC. mC 180 (70 60 ) mC 50 mB 60 ? • Triangle ABC is an acute triangle. Find x 27 x 31 43 Find x x 119 28 Assignment…… • Triangle Sum Worksheet