9.2 Special Right Triangles

​9.2 Special Right Triangles

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Multiple Choice

What type of special triangle is this? #2

• 45°-45°-90°

• 30°-60°-90°

• Isosceles

• Obtuse

Multiple Choice

What is the length of u and v in this 30-60-90 triangle? #5

• u = 8 v = 4√3

• u = 4√2 v = 8

• u = 16 v = 8

• u = 4√3 v = 8

Multiple Choice

Find the value of a. #6

• 3

• $$3\sqrt{3}$$

• 6

• $$\sqrt{3}$$

Multiple Choice

Find the value of x. #7

• 4

• 2

• √3

• 2√2

Multiple Choice

Find the value of x. #16

• 22

• 11√3

• 11√2

• 11

Multiple Choice

Find the value of a. #17

• 12

• 24

• 24√3

• 16

Multiple Choice

What is the value of y in this 30-60-90 triangle? #19

• $$y=6$$

• $$y=3\sqrt{2}$$

• $$y=3\sqrt{3}$$

• $$y=\frac{3}{\sqrt{3}}$$

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Multiple Choice

What type of special triangle is this? #1

• 45°-45°-90°

• 30°-60°-90°

• Equiangular

• Equilateral

Multiple Choice

Find the missing side lengths. #3

• a = 4, b = 4

• a = 4, b = 2√2

• a = 2√2,  b = 4

• a = 4, b = 4

Multiple Choice

What is the length of x in this 45-45-90 triangle? #4

• 4√2

• 4

• 8

• 4√3

Multiple Choice

In this 45-45-90 triangle, I have been given a leg, so to find the other leg I...#10

• Multiply that leg by 2

• Use the same length for the second leg

• Multiply that leg by √2

• Divide that leg by √2

Multiple Choice

Find the value of x - the length of the hypotenuse of the triangle. #11

• 5

• 5√2

• 10

• 5√3

Multiple Select

Choose the correct values for x and y in the right triangle. #22

• $$x=14$$

• $$x=7\sqrt{2}$$

• $$y\ =\ 7$$

• $$y=7\sqrt{2}$$