4.1 & 4.2 Triangles, Interior And Exterior
15 Questions
| Total Attempts: 187
This is covers the sum of the interior angles of a triangle, the exterior angle theorem and the properties of triangles.
Questions and Answers
- 1.
1. Which of the following is the best description of the triangle below? Be sure to find the missing angle before classifying the triangle.- A.
Right Obtuse
- B.
Isosceles Obtuse
- C.
Scalene Obtuse
- 2.
- A.
90
- B.
100
- C.
126
- 3.
Use the triangle sum theorem to solve for the value of x. Which of the choices is the value for x?
- A.
16.6
- B.
19.3
- C.
22
- 4.
Given triangle ABC is an equilateral triangle. What is the length of the sides of the triangle?
- A.
The length of each side is 20.
- B.
The length of each side is 40.
- C.
The length of each side is 60.
- 5.
What is the m<1?
- A.
38
- B.
77
- C.
103
- 6.
What is the sum of the angles 6, 7, and 8?
- A.
180
- B.
360
- C.
Not enough information
- 7.
- A.
80
- B.
50
- C.
40
- 8.
What is the sum of angles 9, 10, and 11?
- A.
90
- B.
180
- C.
360
- 9.
What is the first step to solving for x in the picture below? Remember this picture represents exterior angle properties.
- A.
5x = 120 + x
- B.
120 + x + 5x = 180
- C.
120 + x = 5x + 180
- 10.
What is the value for x in the picture below?
- A.
60
- B.
75
- C.
105
- 11.
What is the value of x for the picture below?
- A.
6.75
- B.
15
- C.
27
- 12.
What is the value of x?
- A.
40
- B.
45
- C.
50
.jpeg "Use the triangle sum theorem to solve for the value of x. Which of the choices is the value for x?")
.jpeg "What is the sum of angles 9, 10, and 11?")
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