
Geometrical Definitions and Properties
... A trapezoid is a quadrilateral with at least one pair of parallel sides. An isosceles triangle has at least two congruent angles and at least two congruent sides. ...
... A trapezoid is a quadrilateral with at least one pair of parallel sides. An isosceles triangle has at least two congruent angles and at least two congruent sides. ...
Evaluating Trigonometric Ratios for Special Angles
... Chapter 5.2 Evaluating Trigonometric Ratios for Special Angles ...
... Chapter 5.2 Evaluating Trigonometric Ratios for Special Angles ...