Vocabulary
Complimentary Angles add up to how many degrees?
90 degrees
Angle A and Angle B are complementary angles. Angle A is 35 degrees. How many degrees is Angle B?
55 degrees
Suppose <A = <B and <B is equal to 47 degrees. Find a measure of an angle that is supplementary to <A.
133 degrees
Angles 1 and 2 are vertical angles. If < 2 = 101 degrees, how many degrees is <1?
<1 = 101 degrees
In triangle ABC, angle A is 30 degrees, angle B is 25 degrees, how many degrees is angle C?
125 degrees
What is the name of the relationship of two angles that add up to 180 degrees?
Supplementary Angles
What is the complement of an angle measuring 12 degrees?
78 degrees
If m<3 = 115 and m<3 and m<4 form a linear pair, find m<4.
m<4 = 65 degrees
A pair of opposite angles made by two intersecting lines are called...
Vertical Angles
In triangle BCD, angle B is 25 degrees and angle C is 120 degrees, how many degrees is angle D?
35 degrees
Angles that are congruent and opposite of each other that are formed by the intersection of two lines are called what?
Vertical Angles
<R is complementary to <W. If <W = 72 degrees, what is the measure of <R?
<R = 18 degrees
Angles Q and R are supplementary. If m<Q = 4x + 9 and m<R = 8x + 3, what is the measure of each angle?
x = 14, m<Q = 65, m<R = 115
Angles P and W are vertical angles. If angle P measures 4x + 4 and angle W measures 2x + 50, what is the value of x?
x = 24
In triangle DEF, m<D = 2x, m<E = 4x, and m<F = 6x, what is the value of x?
x = 15
How many degrees are in a Triangle?
180 degrees
Angles A and B are complementary. If m<A = 3x - 8 and m<B = 5x + 10, what is the measure of each angle?
x = 11, m<A = 25, m<B = 65
<M and <N are supplementary angles. <N is 54 more than twice <M. Find <N.
<N = 42 degrees
Angles <1 and <2 are vertical angles. <1 measures 75 degrees and <2 = x-18. Find the value of x.
x = 93
In triangle MNO, m<M = 2x degrees, m<N = 5(x-3), m<O = 3x + 10, what is the value of x?
x = 18.5
Define an isosceles triangle
An isosceles triangle has 2 sides and 2 angles congruent
If m<A and m<B are complementary angles and m<A = 2x - 6, and m<B = 3x + 11, what is the measurements of m<A and m<B?
x = 17, m<A = 28, m<B = 62
Angles C and D are supplementary. If m<C = 12x and m<D = 4x+20, find x. Then find m<C and m<D.
x = 10 ; m<C = 120 ; m<D = 60
<P and <B are vertical angles. If <P = 3x + 2 and
<B = 20, set up and solve an equation to solve for x and find the measure of <P and <B.
x = 6
<P = 20 degrees
<B = 20 degrees
In isosceles triangle ABC, angles A and B are congruent measuring 3x -14 and m<C = 2x. What is the measurement of each angle?
x = 26, m<A = 64, m<B = 64, m<C = 52