Trig Ratios

Which is the formula used for the Pythagorean Theorem?

• a²+b²+c²

• a+b=c

• a²+c²=b²

• a²+b²=c²

Do three squares with side lengths of 6, 12, and 13 form a right triangle?

• Yes
• No

Find the length of the missing side. 

• 17 cm
• 22 cm
• 15 cm
• 13 cm

Find the length of the missing side. 

• 48 in.
• 52 in.
• 16 in.
• 24 in.

The bottom of a 13-foot straight ladder is set into the ground 5 feet away from a wall. When the top of the ladder is leaned against the wall, what is the distance above the ground it will reach?

• 12 feet

• 13.9 feet

• 169 feet

• 18 feet

Find x.

• 12
• √2
• √3
• 6

Find the value of y.

• 8
• 4
• 2√3
• 8√3

Find the value of y.

• 9
• 18√2
• 9√2
• (9√2)/2

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

• Multiply 7 by 2
• Multiply 7 by √3
• Divide 7 by 2
• Divide 7 by √3

Find the value of each variable.