Vocabulary
The type of angles that add to 360 and are formed by rays
Angles at a point
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 angle 2 is 101 degrees, how many degrees is angle 1?
101 degrees
In triangle ABC, angle A is 30 degrees, angle B is 25 degrees, how many degrees is angle C?
125 degrees
The agreement that all angles in a triangle add to 180 degrees
Triangle sum theory
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
Let's add 200 to your score if you answer correctly....
What is the best class ever?
6th grade compacted math with Mrs. Huff!
In quadrilateral ABCD, angle A is 70 degrees, angle B is 65 degrees, angle C is 110 degrees, how many degrees is angle D?
115 degrees
Angles that are congruent and opposite of each other that are formed by the intersection of two lines are called what?
Vertical Angles
Two complimentary angles are in a ratio of 3.5 to 4. What is the measure of the smaller angle?
42 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
Angles that are the same measure but are not necessarily classified any other way
congruent
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
Random Fact:
What is the most common letter of the alphabet?
“E” Is the Most Common Letter and Appears in 11 Percent of All English Words
Angles <1 and <2 are vertical angles. <1 measures 75 degrees and <2 is equal to x-18. Find the value of x.
x = 93
In quadrilateral ALDO, m<A = 60 degrees, m<L = 5x, m<D = 3x + 10, and m<O = 2x, what is the value of x?
x = 29
When a straight line intersects two parallel lines on a plane
Transversal
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 = 4(x+5), find x. Then find m<C and m<D.
x = 10 ; m<C = 120 ; m<D = 60
Random Fact:
What is the national animal of Scotland?
A unicorn
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