1. What is the sum of the interior angles of a triangle?
a) 90 degrees
b) 180 degrees
c) 270 degrees
d) 360 degrees
Correct answer: b) 180 degrees
2. In triangle ABC, angle A measures 60 degrees and angle B measures 40 degrees. What is the measure of angle C?
a) 40 degrees
b) 50 degrees
c) 70 degrees
d) 80 degrees
Correct answer: c) 70 degrees
3. Which of the following statements is true about an equilateral triangle?
a) It has three unequal sides
b) It has three congruent angles
c) It has one angle measuring 90 degrees
d) It has one side that is longer than the other two sides
Correct answer: b) It has three congruent angles
4. What is the name of a triangle with one angle measuring 90 degrees?
a) Equilateral triangle
b) Acute triangle
c) Obtuse triangle
d) Right triangle
Correct answer: d) Right triangle
5. If the lengths of the sides of a triangle are 5, 12, and 13, what type of triangle is it?
a) Isosceles triangle
b) Scalene triangle
c) Equilateral triangle
d) Right triangle
Correct answer: d) Right triangle
6. In triangle XYZ, angle X measures 60 degrees and angle Y measures 70 degrees. What is the measure of angle Z?
a) 50 degrees
b) 60 degrees
c) 70 degrees
d) 80 degrees
Correct answer: a) 50 degrees
7. In triangle ABC, if angle A measures 45 degrees and angle B measures 60 degrees, what is the measure of angle C?
a) 45 degrees
b) 75 degrees
c) 90 degrees
d) 105 degrees
Correct answer: b) 75 degrees
Triangles Unit Test
Connexus unit 4 lesson 7
1 answer