Pythagorean Theorem and Trig Ratios and Special Right Triangles

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

• 4√2

• 4

• 8

• 4√3

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

Find the value of y.

• 9

• 18√2

• 9√2

• (9√2)/2

What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

Find a.

• 5

• √2

• 5√2

• 2

What is the value of x?

• 12√2

• 12√3

• 24

• 36

Answer explanation

The original

Scale factor = 12

What is the length of x in this picture?

• 3√3

• 3

• 6

• 3√2

What is the length of y in this picture?

• 3√3

• 3

• 6

• 3√2

Find x.

• 4

• 2

• √3

• 2√2

Find the values of a and b.

• A

• B

• C

• D

• E