Isosceles triangles with sides, equilateral triangles Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/geometry/isosceles-triangles-with-sides-equilateral-triangles/quiz/

1. 1

   Isosceles triangle perimeter 30, base 8, find the equal sides
   1. A) x = 30
   2. B) x = 19
   3. C) x = 22
   4. D) x = 11

2. 2

   Isosceles triangle perimeter 25, base 7, find the equal sides

   Answer: ____________________

3. 3

   Isosceles triangle equal sides 10, perimeter 32, find the base
   1. A) x = 22
   2. B) x = 12
   3. C) x = 32
   4. D) x = 20

4. 4

   Equilateral triangle perimeter 27, find the side

   Answer: ____________________

5. 5

   Isosceles triangle equal sides 2x + 3 and 3x − 4. Find x.
   1. A) x = 7
   2. B) x = 73
   3. C) x = 11
   4. D) x = 3

6. 6

   Isosceles triangle equal sides 5x − 2 and 3x + 6. Find x.

   Answer: ____________________

7. 7

   Equilateral triangle sides 3x − 2 and x + 6. Find x.
   1. A) x = 3
   2. B) x = 4
   3. C) x = 6
   4. D) x = 2

8. 8

   Isosceles triangle perimeter 31 m, base 9 m, find the equal sides

   Answer: ____________________

9. 9

   Equilateral triangle angle 3x. Find x.
   1. A) x = 20
   2. B) x = 60
   3. C) x = 203

10. 10

    Isosceles triangle equal sides 13, perimeter 30, find the base

    Answer: ____________________