Angles that are across from each other and congruent are called?
Vertical Angles
A pair of angles that sum to 180 degrees are called?
Supplementary Angles
What do the angles in a triangle sum to?
180 degrees
What is the RATIO that compares the measurements of the drawings or model with the actual measurements?
Scale
Angles that are next to each other that share that same vertex and one side are called?
Adjacent Angles
What is a pair of angles that sum to 90 degrees called?
Complementary angles
Is a triangle possible with angles measuring 58 degrees, 65 degrees, and 58 degrees.
No
What is a scale factor?
A multiplier that is used to enlarge or reduce the size of a figure.
Name a pair of vertical angles and a pair of adjacent angles.
Vertical: <1 + <3, <2 + <4.
Adjacent: <1 + <2, <2 +<3, <3 +<4, <4 +<1.
What does x equal?
x=43
Classify the triangle.
Acute Isosceles
Solve for the missing side length and find the scale factor.
x=45
SF=1/9
Solve for x.
x=22
Solve for x
x=5
Find the missing angle in the triangle.
x=55
Solve for the missing side length and find the scale factor.
x=30
SF=.10
What is the angle measure of angles 1, 2, and 3
<1=55
<2=125
<3=55
Find the missing angle measures.
x=18
<1=36, <2=54
Find the missing angle in the triangle.
x=35
A model motorcycle has a scale of 1 in : 3 ft. If the model motorcycle is 3 in long then how long is the real motorcycle?
x=9