Triangles
Angles
Lines / Line Segments
Vocabulary
Random
100
Two triangles are similar if their corresponding angles are equal. If one triangle has angles of 40°, 60°, and 80°, what are the angles of the second triangle?
40°, 60°, and 80°
100
Describe the relationship between the angles 4 and 5.
Alternate interior angles
100
What is the midpoint of the points (1, -2) and (-5, 4)?
(-2, 1)
100
What is a parallelogram?
A quadrilateral which is made up of 2 pairs of parallel sides.
100
What is the quotient of 1/6 divided by 2/9?
3/4
200
What is the value of x?
60°
200
What is the value of y?
y = 27
200
What is the distance between (4,7) and (-1,2)?
7.1 units
200
What does CPCTC stand for and what does it mean?
Corresponding Parts of Congruent Triangles are Congruent
If two triangles are congruent then so are their corresponding sides and angles.
200
A pack of 12 pens cost $5.16. How much was it per pen?
$0.43
300
What is the value of x?
x = 12
300
<R and <S are complementary angles. If m<R= (2x+40) and m<S=(4x-4), find m<R
<R = 58
300
What is the other endpoint of the segment AB with one endpoint at A(4,1) and the midpoint is (7,3)
B(10,5)
300
What term fits this definition?
2 angles that create a straight line
Linear pair
300
What transformation has occurred?
Reflection over the y-axis
400
If Triangle ABC is equilateral, what is the length of AB?
AB = 24
400
What is the measure of <QRT?
130o
400
If IK=24, JK = 9x+5, & IJ = -x+3, then how long is JK?
JK = 23
400
What term fits this definition?
A flat surface formed by any three noncollinear points
Plane
400
What is the scale factor of Triangle ABC to Triangle DEF?
1.5
500
Are these triangles congruent? If so, state how.
AAS
500
What is the measurement of this angle? What kind of angle is it?
75, acute
500
Point P is the midpoint of CD. If CP= 5x – 14 and PD= 7x – 52, find the value of x and find the length of CD.
x=19
CD=162
500
What term fits this definition?
Line segments that intersect at an angle of 90 degrees
Perpendicular lines
500
What is the equation of the line in slope-intercept form?
y = -2/3x + 1