Having the same measure
Congruent
Ray BH is an angle bisector for angle ABC. ∠ABH = 11x + 4 and ∠HBC = 12x - 7. Find x.
X=11
Angle Bisector
A ray that divides an angle into two congruent angles.
A location represented by a dot
A Point
complementary angles add up to how many degrees?
90 degrees
An angle that is greater than 90o and less than 180o
Obtuse angle
Ray FD is an angle bisector for angle GFH. ∠GFD = 7x + 2 and ∠DFH = 3x + 22. Find x.
X=5
An angle less than 90o but more than 0o
Acute Angle
how far are (4,5) and (-2, 10) apart?
sqrt61 or 7.81 units
Two adjacent angles whode measures add up to 180 degrees.
Linear Pair
Points that lie within the same line.
Collinear
What is the other endpoint with (5, 7) if (1, 2) is the midpoint?
(-3, -3)
Coplanar
Points that lie in the same plane.
Find the midpoint between (1, 5) and (6, 10).
(3.5, 7.5)
What are the measurements of angles x and y?
x + 150 = 180, so x = 30 degrees
x and y are vertical angles, so y = 30 degrees
A line with a single end point or point of origin that extends infinitely in one direction
Ray
Ray SR is an angle bisector for angle PSQ. ∠PSR = 3x+1 and ∠PSQ = 74.
Find x.
X=12
Vertical Angles
Two nonadjacent angles formed by two intersecting lines.
What is the perimeter of this triangle?
x=5+2sqrt34
or x=16.66
Find angles x and y
x = 120 degrees
y = 50 degrees
Two angles with measures that add up to a sum of 180 degrees.
Supplementary Angles
If LP is bisected by M. What is the length of LP if LM is 11units
22 units
Adjacent Angles
Two angles that lie in the same plane, have a common vertex and a common side, but no common interior points.
What is the area of this triange?
x=12.5 units2
What is the measurement of angle x?
x = 35 degrees