Title: Lesson 22
Course: quiz duplicate error

Q: Find the values of x and y.
[Image]
- [Image]
- [Image]
- [Image]
- [Image]
A: [Image]

Q: The octagon in the figure is equiangular and [Image]. Find [Image]. Each interior angle of the octagon equals 135 degrees.
[Image]
- 135
- 45
- 30
- 90
A: 45

Q: In an A-frame house, the two congruent sides extend from the ground to form a 34° angle at the peak. What angle does each side form with the ground?
- 156
- 146
- 73
- 78
A: 73

Q: In an A-frame house, the two congruent sides extend from the ground to form a 54° angle at the peak. What angle does each side form with the ground?
- 68
- 136
- 63
- 126
A: 63

Q: In an A-frame house, the two congruent sides extend from the ground to form a 44° angle at the peak. What angle does each side form with the ground?
- 73
- 136
- 68
- 146
A: 68

Q: What is the measure of a base angle of an isosceles triangle if the vertex angle measures 38° and the two congruent sides each measure 21 units?
[Image]
- 71°
- 142°
- 152°
- 76°
A: 71°

Q: What is the measure of a base angle of an isosceles triangle if the vertex angle measures 34° and the two congruent sides each measure 21 units?
[Image]
- 73°
- 146°
- 78°
- 156°
A: 73°

Q: What is the measure of a base angle of an isosceles triangle if the vertex angle measures 42° and the two congruent sides each measure 21 units?
[Image]
- 74°
- 138°
- 69°
- 148°
A: 69°

Q: What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 42°?
- 69°
- 84°
- 138°
- 96°
A: 96°

Q: What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 52°?
- 104°
- 128°
- 76°
- 64°
A: 76°

Q: What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 38°?
- 104°
- 71°
- 76°
- 142°
A: 104°

Q: Use the information in the figure. Find [Image]
[Image]
- 32°
- 122°
- 64°
- 58°
A: 32°

Q: Use the information in the figure. Find [Image]
[Image]
- 47°
- 43°
- 86°
- 133°
A: 43°

Q: Use the information in the figure. Find [Image]
[Image]
- 129°
- 78°
- 51°
- 39°
A: 39°

Q: Find the value of x. The diagram is not to scale.
[Image]
- [Image]
- [Image]
- [Image]
- none of these
A: [Image]

Q: Find the value of x. The diagram is not to scale.

Given: [Image] [Image], [Image]
[Image]
- 8.8
- 13.14
- 21.2
- 24.5
A: 8.8

Q: Find the value of x. The diagram is not to scale.

Given: [Image] [Image], [Image]
[Image]
- 13.3
- 58.2
- 19
- 22.2
A: 13.3

Q: Find the value of x. The diagram is not to scale.

Given: [Image] [Image], [Image]
[Image]
- 11.6
- 194.2
- 11.1
- 22
A: 11.6

Q: Two sides of an equilateral triangle have lengths [Image] and [Image]. Which of [Image] or [Image] could be the length of the third side?
- neither 10 – x nor 6x + 5
- 10 – x only
- both 10 – x and 6x + 5
- 6x + 5 only
A: 10 – x only

Q: Two sides of an equilateral triangle have lengths [Image] and [Image]. Which of [Image] or [Image] could be the length of the third side?
- 4 – x only
- 2x + 6 only
- neither 4 – x nor 2x + 6
- both 4 – x and 2x + 6
A: 4 – x only

Q: Two sides of an equilateral triangle have lengths [Image] and [Image]. Which of [Image] or [Image] could be the length of the third side?
- neither 9 – x nor 4x – 5
- 4x – 5 only
- both 9 – x and 4x – 5
- 9 – x only
A: 9 – x only

Q: The sides of an isosceles triangle have lengths [Image], [Image]. The base has length [Image]. What is the length of the base?
- 18
- 4
- 12
- cannot be determined
A: 18

Q: The sides of an isosceles triangle have lengths [Image], [Image]. The base has length [Image]. What is the length of the base?
- 18
- 4
- 16
- cannot be determined
A: 18

Q: The sides of an isosceles triangle have lengths [Image], [Image]. The base has length [Image]. What is the length of the base?
- 4
- 3
- 9
- cannot be determined
A: 4