
Angle and Triangle Review
Presentation
•
Mathematics
•
6th - 8th Grade
•
Hard
Joseph Anderson
FREE Resource
7 Slides • 16 Questions
1
Triangles and Angles Review
by SAMUEL BEARD
2
How to find a missing angle in a triangle..
All triangle angles add up to 180
To find the missing angle....SUBSTRACT
What is B?
START WITH 180!!!
Take away 100 and then take away 55
180-100 = 80. 80-55=
3
Types of Angles
Angles that are 90 degrees are called RIGHT ANGLES
Angles that are more than 90 degrees are called OBTUSE ANGLES
Angles that are less than 90 are called ACUTE ANGLES
4
Multiple Choice
5
Multiple Choice
6
Multiple Choice
7
Multiple Choice
8
Multiple Choice
9
Multiple Choice
10
Multiple Choice
If two angles in a triangle are 45° and 75° , what is the measure of the third angle?
75°
90°
60°
70°
11
Exterior Angle Theorem
You can use the inside and outside angles of a triangle to solve math problems!
12
Multiple Choice
Find the measure of each angle indicated.
70°
170°
10°
40°
13
Multiple Choice
Find the measure of each angle indicated.
5°
165°
65°
60°
14
Multiple Choice
Find the measure of each angle indicated.
94°
30°
40°
86°
15
16
17
18
Multiple Choice
Which line is the transversal?
l
n
m
None
19
Multiple Select
Find the value of the indicated angle.
65°
115°
20
Multiple Choice
Find the value of the indicated angle.
114°
66°
21
Multiple Choice
Find the value of x.
65°
115°
22
Multiple Select
Select the pair of angles that are alternate interior angles
∠2 & ∠7
∠3 & ∠6
∠1 & ∠7
23
Multiple Select
Select all the angles that are alternate exterior angles
∠1 & ∠8
∠4 & ∠6
∠2 & ∠7
∠3 & ∠5
Triangles and Angles Review
by SAMUEL BEARD
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