Special Right Triangles
7th - University grade
2165 times
Mathematics
69%average accuracy
3 years ago
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18 QuestionsShow answers
  • Question 1
    120 seconds
    Q. In this 45-45-90 triangle, I have been given a leg, so to find the other leg I...
    answer choices
    Multiply that leg by 2
    Use the same length for the second leg
    Multiply that leg by √2
    Divide that leg by √2
  • Question 2
    120 seconds
    Q. What is the length of y in this picture?
    answer choices
    45
    5√2
    90
    5
  • Question 3
    120 seconds
    Q. In this 45-45-90 triangle, I have been given the length of a leg.  How do I find the length of the hypotenuse?
    answer choices
    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.
  • Question 4
    120 seconds
    Q. What is the length of x in this 45-45-90 triangle?
    answer choices
    4√2
    4
    8
    4√3
  • Question 5
    120 seconds
    Q. I have been given a hypotenuse in this 45-45-90 triangle.  How do I find the length of a leg of the triangle?
    answer choices
    Multiply by √2
    Divide by √2
    It's the same length as the hypotenuse.
    Divide by 2
  • Question 6
    120 seconds
    Q. What is the length of y in this 45-45-90 triangle?
    answer choices
    8√2
    4√2
    4
    8
  • Question 7
    120 seconds
    Q. Which side is the long leg in this 30-60-90 triangle?
    answer choices
    4
    u
    v
  • Question 8
    120 seconds
    Q. Which side is the short leg of this 30-60-90 triangle?
    answer choices
    6
    m
    n
  • Question 9
    120 seconds
    Q. I have been given the short leg in this 30-60-90 triangle.  How do I find the long leg?
    answer choices
    Multiply 4 by 2
    Multiply 4 by √3
    Multiply 4 by √2
    Divide 4 by 2
  • Question 10
    120 seconds
    Q. I have been given the short leg in this 30-60-90 triangle.  How do I find the length of the hypotenuse?
    answer choices
    Multiply 4 by 2
    Multiply 4 by √3
    Multiply 4 by √2
    Divide 4 by √3
  • Question 11
    120 seconds
    Q. I have been given the hypotenuse in this 30-60-90 triangle.  How do I find the short leg?
    answer choices
    Multiply 6 by 2
    Multiply 6 by √3
    Divide 6 by 2
    Divide 6 by √3
  • Question 12
    120 seconds
    Q. What is the length of u and v in this 30-60-90 triangle?
    answer choices
    u = 8 v = 4√3
    u = 4√2 v = 8
    u = 16 v = 8
    u = 4√3 v = 8
  • Question 13
    120 seconds
    Q. I have been given the long leg in this 30-60-90 triangle.  How do I find the short leg?
    answer choices
    Multiply 7 by 2
    Multiply 7 by √3
    Divide 7 by 2
    Divide 7 by √3
  • Question 14
    120 seconds
    Q. I have been given the long leg in this 30-60-90 triangle.  How do I find the hypotenuse?
    answer choices
    Divide 8 by √3
    Divide 8 by 2
    Divide 8 by 2, then multiply that answer by √2
    Divide 8 by √3, then multiply that answer by 2
  • Question 15
    120 seconds
    Q. What are x and y in this 30-60-90 triangle?
    answer choices
    x = 6 y = 3√3
    x = 1.5√3 y =1.5
    x = 3√3 y = 6
    x = √3 y = 2√3
  • Question 16
    120 seconds
    Q. What are x and y in this 30-60-90 triangle?
    answer choices
    x = 6 y = 3√3
    x = 3√2 y = 3
    x = 3√3 y = 6
    x = 3√3 y = 3√2
  • Question 17
    120 seconds
    Q. What are u and v in this 30-60-90 triangle?
    answer choices
    v = 2√3 u = 6
    v = 4 u = 4√3
    v = 4 u = 4√2
    v = 4√3 u = 8√3
  • Question 18
    120 seconds
    Q.

    What are a and b in this 30-60-90 triangle?

    answer choices

    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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