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Geometric Figures

MTH 005 Chapter 3 Geometric Figures & Terms

Pythagorean Theorem A triangle is a right triangle if and only if the Sum of the legs squared (leg squared + leg squared) = Hypotenuse squared
Sum of the angles of any triangle 180 degrees
Complementary Angles Two angles whose sum is 90 degrees; represent the angle & its Complement as x and 90 - x
Supplementary Angles Two angles whose sum is 180 degrees; represent the angle & its Supplement as x and 180 - x
Perimeter of a Rectangle The distance around the Rectangle Formula: P = 2L + 2W. Represent both length & width in terms of the same variable; make substitutions & solve for the unknown numbers.
Isosceles Triangle A triangle with at least 2 angles that are equal
Obtuse Triangle A triangle with one angle that is greater than 90 degrees
Similar Triangles Corresponding sides are proportional and corresponding angles are equal
Rectangle Parallelogram with one angle that is a right angle
Parallelogram Quadrilateral whose opposite sides are parallel
Trapezoid Four-sided figure with exactly one pair of parallel sides
Quadrilateral Four-sided figure in a plane
Right triangle A triangle with one angle that is a right angle (90 degrees)
Created by: powens