Two angles with a sum of 90 degrees
Complementary Angles
Sqrt of 15
sqrt of 15
what is the slope in the equation Y= 8x+12?
8
(4,7) (-5,-8)
*Use distance formula
3 sqrt of 34
(4,8) (-1,7)
*Use midpoint formula
(3/2, 15/2)
Angles that are equal to 90 degrees
Right Angles
Sqrt of 144
12
(8,1) (7,3)
*Use y-y1= m(x-x1)
M= -2
B= 17
(4,4) (8,6)
*Use distance formula
2 sqrt 5
(-8,-4) (-6,-7)
*Use midpoint formula
(-7, -11/2)
Two angles that add up to be 180 degrees
Supplementary Angles
sqrt of 12
2 sqrt of 3
*Determine whether the equations are parallel or perpendicular or neither
Parallel
(-2,-6) (-2,-7)
*Use distance formula
sqrt of 185
(6,9) (8,1)
*Use midpoint formula
(7,5)
Angles that are across and equal
Vertical Angles
sqrt of 289
17
Y+3x=12 and Y-4=-3(x+3)
*Determine whether the equations are parallel or perpendicular or neither
Parallel
(3,-8) (1,5)
*Use distance formula
5
(-5,6) (3,1)
*Use midpoint formula
(1, 7/2)
Angles above 90 degrees
Obtuse Angles
sqrt of 36
6
(3,1) (4,-8)
*Use y-y1= m(x-x1)
Y= -9x+28
(4,3) (1,5)
*Use distance formula
sqrt of 13
(7,1) (-16,-16)
*Use midpoint formula
(-9/2, -15/2)