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## Mathematics

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7th

grade

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Cathy Schnieders

8 years

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18 questions

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- 1. Multiple Choice30 seconds1 ptIn this 45-45-90 triangle, I have been given a leg, so to find the other leg I...Multiply that leg by 2Use the same length for the second legMultiply that leg by √2Divide that leg by √2
- 2. Multiple Choice45 seconds1 ptWhat is the length of y in this picture?455√2905
- 3. Multiple Choice2 minutes1 ptIn this 45-45-90 triangle, I have been given the length of a leg. How do I find the length of the hypotenuse?It is the same length as the given leg.Multiply that leg's length by √2.Multiply that leg's length by 2.Divide that leg's length by √2.
- 4. Multiple Choice45 seconds1 ptWhat is the length of x in this 45-45-90 triangle?4√2484√3
- 5. Multiple Choice2 minutes1 ptI have been given a hypotenuse in this 45-45-90 triangle. How do I find the length of a leg of the triangle?Multiply by √2Divide by √2It's the same length as the hypotenuse.Divide by 2
- 6. Multiple Choice2 minutes1 ptWhat is the length of y in this 45-45-90 triangle?8√24√248
- 7. Multiple Choice2 minutes1 ptWhich side is the long leg in this 30-60-90 triangle?4uv
- 8. Multiple Choice2 minutes1 ptWhich side is the short leg of this 30-60-90 triangle?6mn
- 9. Multiple Choice2 minutes1 ptI have been given the short leg in this 30-60-90 triangle. How do I find the long leg?Multiply 4 by 2Multiply 4 by √3Multiply 4 by √2Divide 4 by 2
- 10. Multiple Choice2 minutes1 ptI have been given the short leg in this 30-60-90 triangle. How do I find the length of the hypotenuse?Multiply 4 by 2Multiply 4 by √3Multiply 4 by √2Divide 4 by √3
- 11. Multiple Choice2 minutes1 ptI have been given the hypotenuse in this 30-60-90 triangle. How do I find the short leg?Multiply 6 by 2Multiply 6 by √3Divide 6 by 2Divide 6 by √3
- 12. Multiple Choice2 minutes1 ptWhat is the length of u and v in this 30-60-90 triangle?u = 8 v = 4√3u = 4√2 v = 8u = 16 v = 8u = 4√3 v = 8
- 13. Multiple Choice30 seconds1 ptI have been given the long leg in this 30-60-90 triangle. How do I find the short leg?Multiply 7 by 2Multiply 7 by √3Divide 7 by 2Divide 7 by √3
- 14. Multiple Choice30 seconds1 ptI have been given the long leg in this 30-60-90 triangle. How do I find the hypotenuse?Divide 8 by √3Divide 8 by 2Divide 8 by 2, then multiply that answer by √2Divide 8 by √3, then multiply that answer by 2
- 15. Multiple Choice2 minutes1 ptWhat are x and y in this 30-60-90 triangle?x = 6 y = 3√3x = 1.5√3 y =1.5x = 3√3 y = 6x = √3 y = 2√3
- 16. Multiple Choice2 minutes1 ptWhat are x and y in this 30-60-90 triangle?x = 6 y = 3√3x = 3√2 y = 3x = 3√3 y = 6x = 3√3 y = 3√2
- 17. Multiple Choice2 minutes1 ptWhat are u and v in this 30-60-90 triangle?v = 2√3 u = 6v = 4 u = 4√3v = 4 u = 4√2v = 4√3 u = 8√3
- 18. Multiple Choice45 seconds1 pt
What are a and b in this 30-60-90 triangle?

b=3.5√3 a = 7√3

b = 7 a = 7√2

b = 7 a = 14

b = 7√3 a = 14√3

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