Right Triangles and Trig

_{^{Find the missing side}}

• 9
• 41
• 6.4
• 3

_{^{Find the missing side}}

• 9
• 41
• 6.4
• 3

_{^{Find the missing side}}

• 48
• 108
• 83.6
• 72

Which set of sides would make a right triangle?

• 4,5,6
• 8,10,12
• 5,12,13
• 5,10,12

Classify a triangle with side lengths 12, 14, and 20.

• Acute
• Obtuse
• Right
• Isosceles

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

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

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

• 4
• u
• v

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

• 6
• m
• n