Special Right Triangle Review

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

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

• 4√2

• 4

• 8

• 4√3

What type of special right triangle is this?

• 45-45-90

• 30-60-90

• not a special right triangle

In 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.

Solve for x and y

• 45-45-90

• What kind of special triangle is this?

• 8

• Y

• X

What is the value of y? Value only, no y =

Mathematical Equivalence

OFF

Find a.

• 5

• √2

• 5√2

• 2

Use special right triangles to find the value of y.

Mathematical Equivalence

ON

Find each the missing sides of each 30-60-90 right triangle.

c

d

3

6

Find a.

• 2√6

• 2√3

• 3

• 6