Special Right Triangle Rules

In this 45-45-90 triangle, I have been given the length of a leg.  How do I find the length of the hypotenuse?

• It is the same length as the given leg.

• Multiply that leg's length by √2.

• Multiply that leg's length by 2.

• Divide that leg's length by √2.

Tags

CCSS.8.G.B.8

I have been given the short leg in this 30-60-90 triangle.  How do I find the long leg?

• Multiply 4 by 2

• Multiply 4 by √3

• Multiply 4 by √2

• Divide 4 by 2

Tags

CCSS.HSG.CO.C.10

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Isosceles

• Obtuse

Tags

CCSS.4.G.A.2

Find x.

• 10

• 10√3

• 10√2

• 20

Tags

CCSS.HSG.SRT.C.8

Find x.

• 4

• 2

• 4√3

• 2√2

Tags

CCSS.HSG.SRT.C.8

Find x.

• 10

• 20

• 10√3

• √3

Tags

CCSS.HSG.SRT.C.8

• 5 cm

• 10 cm

Tags

CCSS.8.G.B.8

Find x.

• 10

• √3

• 5

• 10√3

Tags

CCSS.HSG.SRT.C.8

Find n.

• 4

• 6

• 12

• 2√3

Tags

CCSS.HSG.SRT.C.8

In a 30-60-90 triangle, if the hypotenuse measures 16 cm, what is the length of the longer leg?

• 8 cm

Tags

CCSS.8.G.B.8