Special Triangles 45-45-90

Check the TWO answer boxes that correctly describe how to solve for legs in 45-45-90 special right triangles.

• One leg = other leg • 2

• One leg = other leg ÷ 2

• One leg = other leg (same, no change)

• Leg = hypotenuse • √2

• Leg = hypotenuse ÷ √2

Tags

CCSS.8.G.B.8

Length of the OTHER LEG y?

• 10

• 10√2

• 20

• 20√2

Tags

CCSS.HSG.SRT.C.8

Length of the HYPOTENUSE x?

• 10

• 10√2

• 20

• 20√2

Tags

CCSS.HSG.SRT.C.8

Length of the HYPOTENUSE x?

• 3

• 3√2

• 3√3

• 3√6

Tags

CCSS.HSG.SRT.C.8

What are the length of the legs?

• x = 3, y = 3

• x = 3√2, y = 3√2

• x = 6, y = 6√2

• x = 6√2, y = 6

Tags

CCSS.HSG.SRT.C.8

What are the length of the legs?

• m = 2, n = 2

• m = 18, n = 18

• m = 18√2, n = 18

• m = 18√2, n = 36

Tags

CCSS.8.G.B.8

Length of the OTHER LEG y?

• 3

• 3√2

• 3√3

• 3√6

Tags

CCSS.HSG.SRT.C.8

What are the length of the legs?

• x = 2, y = 2

• x = 2√2, y = 2√2

• x = 2√3, y = 2√3

• x = 2√6, y = 2√12

Tags

CCSS.HSG.SRT.C.8

Length of the OTHER LEG b?

• 2

• 2√2

• 4

• 4√2

Tags

CCSS.HSG.SRT.C.8

Length of the HYPOTENUSE a?

• 2

• 2√2

• 4

• 4√2

Tags

CCSS.8.G.B.7