Vocabulary
Angle Relationships
Triangles
Scale Drawings
Mystery
100
What is an acute angle?
An angle that measures greater than 0 degrees but less than 90 degrees.
100
What is the value of x in the figure?
x = 40
100
The sum of the angles in a triangle equal what?
180°
100
Enter the scale factor applied to the first image.
2
100
Does a triangle with side lengths 4, 6, 9 form a triangle?
4 + 6 = 10 10 > 9 YES!
200
Draw supplementary angles
A pair of angles that add up to 180 degrees
200
What is the value of x in the figure?
x = 48
200
What is the value of x in the triangle?
x = 130°
200
What is the scale factor applied to image 1?
5
200
Find the measure of the missing angle.
65 degrees
300
What kind of triangle has 2 congruent sides?
An isosceles triangle.
300
Solve for x
x = 83 degrees
300
Find the missing angle measure
30 degrees
300
On a map, the scale is 1 inch = 125 miles. What is the actual distance between the two cities if the map distance is 2.75 inches?
343.75 miles
300
What is the m angle A? 
27 degrees
400
What is a scale factor?
The amount an image increases or decreases by.
400
Solve for x
x = 75 Degrees
400
Do the side lengths 12, 4, 8 form a triangle?
12, 4, 8 8+4 = 12 12 = 12 NO not a triangle
400
In a scale model of a boat, the scale is 1in : 5ft The height of the model boat is 3 in. What is the height of the real boat?
15
400
angle ABC and angle CBD are called what?
Adjacent
500
What do we know about vertical angles?
They are congruent
500
Given the figure below, find the values of x, y, and z.
x = 104°
y = 76°
z = 104°
500
x = 23
500
The scale factor that maps figure A onto figure B is 1:7 Find the value of x
31.5
500
angle DOE and angle EOC are called? 
Supplementary