General Vocab Words Flashcards
Law of Cos
c^2 = a^2 + b^2 - [2ab x cos(c)]
Law of Sin
sin(c)/c = sin(a)/a = sin(b)/b
Area of a Parallelogram
A=(b)(h)
Isosceles Triangle
Has two congruent sides
Scalene Triangle
All sides are different
Rhombus
Any parallelogram with 4 equal sides of length (including squares) with 2 perpendicular bisectors
Quadrilateral
A figure with 4 straight sides
Area of a Quadrilateral
A=[(b_1+b_2) (h)]/2
What is point C considered in a circle
The center
Area of a Trapezoid
[(a_1+b_1)/2]/(h)
What is a trapezoid
A Quadrilateral with 2 parallel sides
What are the slopes of Perpendicular lines
Negative Reciprocals
Midpoint
The middle of a line segment
What is a regular shape
angles are congruent and sides are congruent
What is a polygon
a fully closed 2D shape with straight lines (ex. Triangles, Quadrilaterals)