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
What is the relationship between angles 1 and 5?
Corresponding
100
What is the midpoint of the points?
(1,-6) and (4,4)
(2.5, -1)
100
Identify the 3 names used to identify a triangle by their sides
Scalene, isosceles, equilateral
100
A pack of 12 pens cost $5.16. How much was it per pen?
$0.43
200
What is the value of the missing angle?
46
200
What is the value of x?
x = 9
200
What is the distance between the points?
(-2, -5) & (4, 7)
13.4
200
What term fits this definition?
2 angles that create a straight line
Linear pair
200
What is the quotient of 1/6 divided by 2/9?
3/4
300
Triangle PQR is an equilateral triangle PQ=18x + 1, QR = 24x -17, and PR + 15x +10 find x and the measure of PQ
55
300
Angle A and Angle C are vertical angles.
If angle A is (65x - 12) and Angle C is (43x + 10 ) find the measure of Angle A
53o
300
If AC = 32, and B is between A and C, solve for x, given:
AB = 2x + 8
BC = 3x - 1
x = 5
300
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.
300
If Ms. Shepstead’s car can drive 150 miles with 5 gallons of gas, how many gallons of gas does she need to drive 375 miles?
12.5 gallons
400
Are these triangles congruent? If so, how?
SSS
400
<R and <S are complementary angles. If m<R= (2x+40) and m<S=(4x-4), find m<R
<R = 58
400
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)
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
Classify this triangle based on its sides and angles
Equilateral & equiangular
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