Special Right Triangles and the Unit Circle

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

• Multiply that leg by 2

• Use the same length for the second leg

• Multiply that leg by √2

• Divide that leg by √2

What type of special right triangle is this?

• Isoceles right

• 30-60-90

• not a special right triangle

What is side c?

• hypotenuse

• leg

• long leg

• short leg

What is the measure of side c?

• 6

• 12

What type of special right triangle is this?

• 45-45-90

• 30-60-90

• not a special right triangle

What is side a?

• hypotenuse

• leg

• long leg

• short leg

What type of special right triangle is this?

• 45-45-90

• 30-60-90

• not a special right triangle

Find a.

• 2

• 4

Find n.

• 4

• 6

• 12

Find the length of m.

• 4

• 6

• 12