Radicals and Special Right Triangles

Find the area of the rectangle shown.

• 18√20

• 12√10 + 6√2

• 9√12

• 36√5

Simplify:

• √12

• (4√3)/3

• √3

• (2√3)/3

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Isosceles

• Obtuse

Find x.

• 4

• 2

• √3

• 2√2

Find the missing side length. Leave your answer in simplified radical form.

Find the missing side length. Leave your answer in simplified radical form.

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

• 4√2

• 4

• 8

• 4√3

What are a and b 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 value of y.

• 8

• 4

• 2√3

• 8√3

Find the value of y.

• 9

• 18√2

• 9√2

• (9√2)/2