Triangle Inequality Theorem
Triangle Sum Theorem
Ordering Sides
Ordering Angles
Classifying Triangles
100
Is it a triangle?
8, 18, 24
Is it a triangle?
Yes!
8+18>24
100
Given a triangle, you are provided with the angle of 84 and 48. What is the measure of the third angle?
48
100
Order from least to greatest
BC, AB, AC
100
Order from least to Greatest
<P, <Q, <R
100
I have 3 equal sides.
What is an equilateral triangle?
200
Is it a triangle?
28, 50, 90
Is it a triangle?
No!
28+50>90
200
If you have a triangle with the missing angle equaling 45, what do the other two angles have to add up to?
135
200
Order from Greatest to least
JK, JL, LK
200
Order from Least to Greatest
<R, <P, <Q
200
A triangle is equilateral, so this is also true about that triangle: A) It is a right triangle. B) It is a scalene triangle. C) The triangle is equiangular. D) The triangle is obtuse.
What is the triangle is equiangular?
300
Is it a triangle?
41, 7, 55
Is it a triangle?
No!
7+41>55
300
Solve for x in the triangle:
x = 1
300
Order Greatest to least
AC, BC, AB
300
Order from greatest to least
<C, <B, <A
300
A triangle with no equal sides.
What is a scalene triangle?
400
Find a range for the third side of the triangle with side lengths 2 and 11
9 < x < 13
400
You are given an angle of 84, an angle of 24+x, and the last angle of 48+x. What does x equal?
x = 12 degrees
400
Order from least to greatest
DE, EV, DV
400
Order least to greatest, the perimeter is equal to 20
<A, <C, <B
7+10+x=20
x=3
400
Classify this angle by its angle measure:
A triangle with the following angle measurements: 97 degrees, 40 degrees, and 43 degrees.
What is an obtuse triangle?
500
If a triangle has the lengths of 16ft and 28 ft, which of the lengths below are a possible 3rd side? (not negatives, its to separate options) Give the RANGE AND which of the numbers below could be a third side!
- 34 ft
- 12 ft
- 29 ft
- 44 ft
12 < x < 44
- 34 ft
- 29 ft
500
Solve for x in the triangle below:
x = 7 degrees
500
Order least to greatest
MT, AM, AT
500
Order from least to greatest, the perimeter is equal to 58
A
B C
<A, <B, <C
21+15+x= 58
x=22
500
Classify this triangle:
This triangle has one angle measuring 88 degrees.
What is an acute triangle?