Special Right Triangles 45-45-90

If the leg of a 45-45-90 triangle is 7 cm long, then its hypotenuse is _____ cm.

• 7√2

• 49√2

• 7

• 7√7

Solve for a and b in the special right triangle.

• a = 5, b = 5

• a = 10, b = 10√2

• a = 10√2, b = 10√2

• a = 5√2, b = 5√2

Find b.

• 2√6

• 2√3

• 3

• 6

Find x.

• 9

• 18√2

• 9√2

• √2

Find the value of y.

• 9

• 18√2

• 9√2

• (9√2)/2

Find the value of x.

• 3

• 6

What is the length of y in this picture?

• 10

• 5√2

• 2.5√2

• 5

Find the value of x.

• 3 sqrt(2)

• 3

• 6 sqrt(2)

• 6

• 5√3, 5√6
• 5√3, 10
• 5√2, 10
• 10, 15

Find a - the length of the hypotenuse.

• 2√6

• 2√3

• 3

• 6