Geometry: Special Right Triangles

Geometry: Special Right Triangles

G.SRT.B.5 Guide 2

Multiple Choice

What is the rule for a 45-45-90 triangle?

• $x,\ x,\ x\sqrt{2}$

• $x,\ x\sqrt{3},\ 2x$

Multiple Choice

What is the length of y in this 45-45-90 triangle?

• 8√2
• 4√2
• 4
• 8

Multiple Choice

Find x - the length of the hypotenuse of the triangle.

• 5

• 5√2

• 10

• 5√3

Multiple Choice

What is the rule for a 3-60-90 triangle?

• $x,\ x,\ x\sqrt{2}$

• $x,\ x\sqrt{3},\ 2x$

Multiple Choice

Find x.

• 4

• 2

• √3

• 2√2

Multiple Choice

What type of special triangle is this?

• 45°-45°-90°
• 30°-60°-90°
• Isosceles
• Obtuse

Fill in the Blanks

Multiply  $5\sqrt{2}\cdot\sqrt{2}$ . 

Multiple Choice

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

• 4
• u
• v

Multiple Choice

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5