Math 110 Final Exam.

MATH 110 FINAL EXAM. Triangle - 3 sides, 3 angles, 1 triangle inside, interior angle sum=180 degrees Quadrilateral - 4 sides, 4 angles, 2 triangles inside, interior angle sum=360 degrees Pentagon - 5 sides, 5 angles, 3 triangles inside, interior angle sum=540 degrees Hexagon - 6 sides, 6 angles, 4 inside triangles, interior angle sum=720 degrees N-gon - N sides, N angles, N-2 inside triangles, interior angle sum=(N-2) x 180 degrees Heptagon - 7 sided polygon Octagon - 8 sided polygon Nonagon - 9 sided polygon Decagon - 10 sided polygon Isosceles Triangle - A triangle with at least two congruent sides Equilateral triangle - A triangle with three congruent sides Scalene Triangle - A triangle with no congruent sides Right Triangle - A triangle that has a 90 degree angle. Acute Triangle - A triangle that contains only angles that are less than 90 degrees. Obtuse Triangle - A triangle with one angle that is greater than 90 degrees. Square - A quadrilateral with four right angles and four congruent sides Rectangle - A parallelogram with 4 right angles Rhombus - A parallelogram with four congruent sides Parallelogram - A quadrilateral whose opposite sides are both parallel and equal in length Kite - A quadrilateral that has two pairs of consecutive congruent sides, but opposite sides are not congruent. Trapezoid - A quadrilateral with exactly one pair of parallel sides Isosceles trapezoid - A trapezoid whose nonparallel opposite sides are congruent