45-45-90 Special Right Triangles

Find a.

• 5

• √2

• 5√2

• 2

Find a.

• 4

• 2

• 4√2

• 2√4

Find x.

• 4√3

• 4√6

• 4

• 4√8

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

Find a.

• 2√6

• 2√3

• 3

• 6

Find y.

• 11√2

• 11

• 22

• (11√2)/2

Find x.

• 2

• 18

• 2√9

• 9√2

Find the missing side lengths.

• a = 4, b = 4
• a = 4, b = 2√2
• a = 2√2,  b = 4
• a = 4, b = 4

Find y.

• 8√2

• 4√2

• 4

• 8

Find a and b.

• a = 5, b = 5

• a = 10, b = 10√2

• a = 10√2, b = 10√2

• a = 5√2, b = 5√2