Idk Flashcards
0
Q
Angle bisector therum
A
If an angle of a triangle is bisected, the bisector divides the triangle proportionately
1
Q
Side splitter therum
A
If a line is // to one side of a triangle and intersects other 2 sides it divides triangle proportionately
2
Q
Distance formula
A
Square root
(X2-x1)2 + (y2-y1)2
3
Q
Reference angles
Coterminal angles
Quadrant angles
Signs. When positive
A
How far from axis. Pos acute
End in same place
90,180,270,360
Sin All
Tan. Cos
4
Q
If quad inscribed in circle. Opp angles supp
If //gram inscribed in circle. Must be a rectangle
A
Sum of tangent + minor arc=180
Tangent perp to radius
5
Q
Two tangent therum
A
2 tangents = if from from same point
6
Q
Apothem
A
Joins center of circle to midpoint of side
7
Q
Problem solving
A
Pythagorean
Add variables
Make triangles
Trig
