Triangle-angle stories Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-1/triangle-angle-stories/quiz/

1. 1

   In a triangle, the second angle is 20° more than the first. The third angle is twice the first. Find the three angles.
   1. A) 85°, 105°, 170°
   2. B) x = 180
   3. C) x = 160
   4. D) x = 40

2. 2

   In a triangle, the second angle is 10° more than the first. The third angle is 20° more than the first. Find the three angles.

   Answer: ____________________

3. 3

   In a right triangle, one of the two small angles is 20° more than the other. Find the two small angles.
   1. A) x = 35
   2. B) x = 90
   3. C) x = 180
   4. D) 125°, 145°

4. 4

   In a triangle, the second angle is 3 times the first. The third angle is 5 times the first. Find the three angles.

   Answer: ____________________

5. 5

   In a right triangle, one of the two small angles is 4 times the other. Find the two small angles.
   1. A) 54°, 216°
   2. B) x = 18
   3. C) x = 90
   4. D) x = 180

6. 6

   In a triangle, the second angle is 30° more than twice the first. The third angle is 3 times the first. Find the three angles.

   Answer: ____________________

7. 7

   In a triangle, the second angle is 5 times the first. The third angle is 4 times the first. Find the three angles.
   1. A) x = 18
   2. B) x = 180
   3. C) x = 95
   4. D) 36°, 180°, 144°

8. 8

   In a right triangle, one of the two small angles is 15° more than the other. Find the two small angles.

   Answer: ____________________

9. 9

   In a triangle, the second angle is 25° less than twice the first. The third angle is twice the first. Find the three angles.
   1. A) 77°, 129°, 154°
   2. B) x = 41
   3. C) x = 205
   4. D) x = 180

10. 10

    In a triangle, the second angle is 40° more than the first. The third angle is 50° more than the first. Find the three angles.

    Answer: ____________________