Pythagorean and Special Right Triangles

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

• b=3.5√3 a = 7√3

• b = 7 a = 7√2

• b = 7 a = 14

• b = 7√3 a = 14√3

Find the length of the missing side. 

• 25 cm

• 42 cm

• 52 cm

• 48 cm

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

Find the value of x.

• 7

• 8

• 9

• 10

Use the 45-45-90 theorem to solve for the hypotenuse.

• 16

• 8

• 8√2

• √16

What is the value of y?

• 14

• 2√7

• 7√2

• 7

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 formula used to solve for the hypotenuse?

• a²⁺b²=c²

• a+b=c

• a-b=c

• c-a=c

Find the length of the missing side. 

• 25 cm

• 42 cm

• 52 cm

• 48 cm

solve for the value of y

• 13

• 5

• 23

• 10