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Mathematics
8th -
10thgrade
Triangle Sum Theorem and Exterior Angle Theorem
33 questions
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- 1. Multiple ChoiceThe Triangle Sum Theorem states that the sum of all angles in a triangle is ______.45°90°180°360°
- 2. Multiple ChoiceFind the measure of the angle indicated.139°66°138°116°
- 3. Multiple ChoiceWhat is the third angle of a triangle whose 1st angle is 79 and the 2nd angle is 43?435872101
- 4. Multiple ChoiceFind the measure of the missing angle.90o100130o50o
- 5. Multiple ChoiceSolve for x.1611506
- 6. Multiple ChoiceIf all three angles are exactly the same measure, how big is each angle?
Hint: x + x + x = 180180 degrees90 degrees50 degrees60 degrees - 7. Multiple ChoiceAngles that are exactly 90 degrees are called _____ ______.tight anglesacute anglesobtuse anglesright angles
- 8. Multiple ChoiceIf 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...801006090
- 9. Multiple ChoiceFind the measure of the indicated angle.263685144
- 10. Multiple ChoiceSolve for x.71-335-19
- 11. Multiple Choice
Find the measure of angle A.
75o
60o
30o
38o
- 12. Multiple ChoiceWhich of the following angles can you add together to equal angle d?Angle a and Angle bAngle b and Angle cAngle a and Angle cAngle a and Angle b and Angle c
- 13. Multiple ChoiceWhich of the following terms best describes Angle d?Remote interior angleCorresponding angleExterior angleInterior angle
- 14. Multiple ChoiceWhat is the measure of angle b?36o56o63o117o
- 15. Multiple ChoiceABCD
- 16. Multiple ChoiceABCD
- 17. Multiple ChoiceFind the value of x.ABCD
- 18. Multiple ChoiceWhat is the missing angle?90°87°80°88°
- 19. Multiple ChoiceFind the measure of each angle indicated.139°66°138°116°
- 20. Multiple ChoiceWhat is the SUM of the angle measures in a triangle (3 sides)?60°90°120°180°
- 21. Multiple ChoiceFind the measure of each angle indicated.883011085
- 22. Multiple ChoiceFind the measure of each angle indicated.38474070
- 23. Multiple ChoiceFind the measure of each angle indicated.48873540
- 24. Multiple ChoiceFind the measure of each angle indicated.503240100
- 25. Multiple ChoiceFind the measure of each angle indicated.50854549
- 26. Multiple ChoiceSolve for x.681513
- 27. Multiple ChoiceSolve for x.681513
- 28. Multiple ChoiceSolve for x.8-10-76
- 29. Multiple ChoiceHow do you find the missing angle?124 + 772(77)180 - 77124 - 77
- 30. Multiple Choice
Remote interior angles of a triangle are...
inside a triangle and are not adjacent to the exterior angle
inside a triangle and are adjacent to the exterior angle
outside a triangle and are not adjacent to the exterior angle
outside a triangle and are adjacent to the exterior angle
- 31. Multiple Choice
The remote interior angles of a triangle are 6y - 4 and 6y. The exterior angle is 128. What is the value of y?
y = 11
y = -11
y = 66
y = 62
- 32. Multiple Choice
The remote interior angles of a triangle are 5y + 3 and 4y + 8. The exterior angle is 146. What is the value of y?
y = 15
y = -15
y = 78
y = 68
- 33. Multiple Choice
The remote interior angles of a triangle are 4y - 4 and 3y. The exterior angle is 52. What is the value of y?
y = 8
y = -8
y = 128
y = 28
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