angles
congruent
similar
classifications
missing angle
100
A pair of opposite angles formed by intersecting lines.
What are vertical angles?
100
Which of the following do not show triangles are congruent?
SSS . AAA
ASA . SAS
AAS . SSA
AAA & SSA
100
Set up a proportion for the following similar triangles:
(15/5)=(9/3)=(?/4)
100
What type of triangle has an angle greater than 90o?
Obtuse triangle
100
Solve for x.
x=28
200
A pair of angles that add up to 180 degrees.
What are supplementary angles?
200
Are these two triangles congruent? If so, by what shortcut?
Congruent by SSS
200
Are the following triangles similar? If so, by what shortcut (AA or SSS)?
Similar by AA.
200
What type of triangle has all 3 angles less than 90o?
Acute triangle.
200
Find the missing angle.
?=59
300
A pair of angles that adds up to 90 degrees.
What are complementary angles?
300
Are these two triangles congruent? If so, by what shortcut?
Congruent by SAS.
300
Are the following triangles similar? If so, by AA or SSS?
Similar by SSS.
scale factor of 1.4
300
Classify the triangle:
acute equilateral
(all sides & angles are congruent)
300
Solve for x:
x=65o
400
A pair of angles that form a line and add up to 180 degrees.
What is a linear pair?
400
Are these two triangles congruent? If so, by what shortcut?
Congruent by ASA.
400
Are the following triangles similar? If so, by SSS or AA?
Not similar
25/20=1.25
20/16=1.25
22/18=1.22
400
Classify the triangle:
Obtuse Isosceles
(one angle greater than 90o, 2 congruent sides)
400
Find the missing angle.
B=25o
500
The sum of all angles in a triangle.
What is 180 degrees?
500
Write the congruency statement.
CAB is congruent to RPQ
C=R
A=P
B=Q
500
The following triangles are similar. Find the missing side.
x=14
500
Classify the triangle:
Right Scalene
(one right angle, no congruent sides)
500
Find x, y, and z. Hint: think about what types of angles are shown.
y=76o (vertical angles)
x=104o(linear pair)
z=104o