MATH 202 Exam 1 Questions With Complete Solutions

Triangle Investigation (Triangle Inequality Theorem) correct answer: Do sides 1, 2, and 3 together make a triangle? Why or why not? (Remember the sum of any two sides of a triangle must be greater than the third.) Equilateral Triangle correct answer: All sides are congruent Isosceles Triangle correct answer: At least two sides are congruent Scalene Triangle correct answer: Has no congruent sides Acute Triangle correct answer: All angles are less than 90 degrees Obtuse Triangle correct answer: Has one obtuse angle between 90 and 180 degrees Right Triangle correct answer: Has one right angle (90 degrees) Naming Triangles correct answer: Can be named in any order by degree or angle Ex: Right isosceles or isosceles right Polygons (informal) correct answer: Closed shapes Sides are made up of straight line segments No crossing line segments Polygon (formal) correct answer: A simple c