Angle Review
Triangle Vocab.
Scale Drawings
Triangle: Solving
100
Angles that are next to each other.
Adjacent
100
The angles of a triangle add up to ...
180 degrees
100
A map has a scale of 1 in = 15 mi. If two cities are 3 inches apart, what is the actual distance between the two cities?
45 miles
100
True or false: A triangle can have the side lengths of 5, 4, and 3.
True
200
Angles that are across from each other.
Vertical
200
A triangle with no congruent sides.
Scalene triangle
200
On a map the scale is 1 cm = 20 mi. If the actual distance between two cities is 80 miles, what is the distance between the two cities on the map?
4 cm
200
True or false: A triangle can have the side lengths of 3, 2.5, and 0.25
False
300
Two angles that add up to 90 degrees.
Complementary angles
300
A triangle with an angle larger than 90 degrees.
Obtuse triangle
300
You are making a drawing with a scale of 1 in = 6 ft. What is the length of the drawing if the actual length is 15 ft?
2.5 inches
300
What are all the possible lengths for the third side of a triangle if two of the sides are 6 and 12?
Any number greater than 6 but less than 18.
400
Two angles that add up to 180 degrees.
Supplementary angles
400
A triangle with angles less than 90 degrees.
Acute triangle
400
The scale of a drawing is 1/2 in = 8 ft. If the length of the scale is 3 inches, what is the actual length?
48 feet
400
One angle of a triangle is 80 degrees, the second angle is 40 degrees, what is the last angle?
60 degrees
500
An angle that equals 90 degrees.
Right angle
500
A triangle with two congruent sides.
Isosceles triangle
500
An triangle has a side of 4.5 inches. What is the length of the copy if the scale factor is 3?
13.5 inches
500
What is the value of x in the triangle?
130 degrees