Right Triangle Relationships and Trigonometry

If the leg of a 45-45-90 triangle is 7 cm long, then its hypotenuse is _____ cm.

• 7√2

• 49√2

• 7

• 7√7

Find the missing side lengths.

• a = 4, b = 4

• a = 4, b = 2√2

• a = 2√2,  b = 4

• a = 4, b = 4

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3

• u = 4√2 v = 8

• u = 16 v = 8

• u = 4√3 v = 8

What are x and y in this 30-60-90 triangle?

• x = 6 y = 3√3

• x = 1.5√3 y =1.5

• x = 3√3 y = 6

• x = √3 y = 2√3

• x=10√3   y=30
• x=30√3   y=10
• x=10,   y=30√3
• x=30   y=10√3

• a=√6   b=√2
• a=4   b=2
• a=√6   b=2
• a=2   b4

Find x.

• 10

• 10√3

• 10√2

• 20

Find y.

• 6

• 24

• 12√3

• 6√3

What is the longest side of a right triangle called?

• Leg A

• Leg B

• Hypotenuse

• Pythagoras' Big Buddy

What are the 2 shorter sides of a right triangle called?

• Hypotenuse

• Pythagorean Theorem

• Legs

• Right triangle