30-60-90 Triangles

30-60-90 Triangles

30-60-90 Triangles

• From Equilateral Triangles

• Are Scalene

•  $Hypotenuse\ =\ Short\ Leg\ \cdot\ 2$  

•  $Long\ Leg\ =\ Short\ Leg\ \cdot\ \sqrt{3}$  

Multiple Choice

Find a.

• 9

• 9√3

• 9√2

• 2√3

Multiple Choice

Find a.

• 12
• 24
• 24√3
• 16

Multiple Choice

Find y.

• 6
• 24
• 12√3
• 6√3

Multiple Choice

Find x.

• 10
• 10√3
• 10√2
• 20

Multiple Choice

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

Multiple Choice

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

• 6
• m
• n

Multiple Choice

Which side is the long leg in this 30-60-90 triangle? (not the hypotenuse)

• 4
• u
• v

Multiple Choice

Find x.

• 10
• 10√2
• 5√3
• 5/2