Pythagorean Theorem and Special Right Triangles Lesson

what is the formula for finding the hypotnuse?

• a²⁺b²=c²
• a+b=c
• a-b=c
• c-a=c

What is the length of x?

• 5
• 7
• 8
• 25

Acute, right, or obtuse

• Acute
• Right
• Obtuse
• I don't know

Find the value of y.

• 8
• 4
• 2√3
• 8√3

Find the value of y.

• 9
• 18√2
• 9√2
• (9√2)/2

Find the value of x.

• 3 sqrt(2)
• 3
• 6 sqrt(2)
• 6

I 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 √2
• Divide by √2
• It's the same length as the hypotenuse.
• Divide by 2

I have been given the short leg in this 30-60-90 triangle.  How do I find the length of the hypotenuse?

• Multiply 4 by 2
• Multiply 4 by √3
• Multiply 4 by √2
• Divide 4 by √3

Which side is the short leg in this 30-60-90 triangle?

• 4

• u

• v

I have been given the hypotenuse in this 30-60-90 triangle.  How do I find the short leg?

• Multiply 6 by 2
• Multiply 6 by √3
• Divide 6 by 2
• Divide 6 by √3