Definitions
Angles
Triangles
Special Triangles
100
How many points are in a line?
What is infinitely many
100
An angle whose degree measure is greater than 90◦ is called what?
What is an obtuse angle
100
The measures of two angles in a triangle are 30◦ and 50◦. What is the measure of the third angle?
What is 100 degrees
100
What is the measurement of an angle in an equilateral triangle?
What is 60 degrees
200
A collection of points that extends infinitely many in only one direction is called what?
What is a ray
200
The sum of the measures of two supplementary angles is what?
What is 180 degrees
200
If two sides of a triangle have lengths of 5 and 8, what are the possible values for the third side of the triangle?
What is 3 < x < 13
200
If one of the legs of a right triangle has length 6 and the hypotenuse has length 10, what is the length of the other leg?
What is 8
300
A complete revolution is how many degrees?
What is 360 degrees
300
If angle A and angle B are complementary and the measure of angle A is 30 degrees, what is the measure of angle B?
What is 60 degrees
300

In the diagram on the whiteboard, which is larger, x or y?

What is x

300
One of the angles of a right triangle is 30◦. If the side opposite the 30◦ angle has length 4, what is the length of the hypotenuse?
What is 8
400
What point is the vertex of angle ABC?
What is B
400
True or False: Vertical Angles are Supplementary
What is False
400

In the figure on the whiteboard, if a = 50 and b = 70, what is d?

What is 120 degrees

400

Is the following a Pythagorean Triple? 

5  ,  12    , 13 

What is yes?

500
Perpendicular lines form what kind of angles?
What is right/90 degree angles
500

Two parallel lines are cut by a transversal, as drawn below. If the measure of angle A is 50◦, what is the measure of angle B?

What is 130 degrees


500

In the figure, what is the c in terms of a and b?

What is c=(a2+b2)1/2

500
In ∆ABC on the whiteboard, BC is twice the length of AB. What is the value of j?
What is 120