Pythagorean Theorem, Special Right Triangles and Trigonometry

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

What is the formula used to solve for the hypotenuse?

• a²⁺b²=c²
• a+b=c
• a-b=c
• c-a=c

What is the opposite of squaring a number?

• divide
• multiply 
• fractions
• square root

solve for x

• 5552363959656.
• 10
• 100
• 89

Find the length of the missing side. 

• 17 cm
• 22 cm
• 15 cm
• 13 cm

solve for the value of y

• 13
• 5
• 23
• 10

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 is the length of y in this picture?

• 45
• 5√2
• 90
• 5

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.

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

• 4√2
• 4
• 8
• 4√3