Special Right Triangles Sin Cos

Find x.

• 30°

• 60°

• 90°

• 180°

Tags

CCSS.HSG.SRT.C.7

Find x.

• 10

• √3

• 5

• 10√3

Tags

CCSS.HSG.SRT.C.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.8.G.B.8

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

• Multiply 4 by 2

• Multiply 4 by √3

• Multiply 4 by √2

• Divide 4 by √3

Tags

CCSS.HSG.CO.C.10

What are x and y in this 30-60-90 triangle?

• x = 6 y = 3√3

• x = 3√2 y = 3

• x = 3√3 y = 6

• x = 6 y = 3√2

Tags

CCSS.HSG.SRT.C.8

What is the cosine of θ?

• 15/8

• 15/17

• 17/15

• 8/15

Tags

CCSS.HSG.SRT.C.6

Find the length of side y.

• 22.32 cm

• 36.5 cm

• 76.34 cm

• 87.76 cm

Tags

CCSS.HSG.SRT.C.8

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

Tags

CCSS.HSG.SRT.C.6

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

Tags

CCSS.HSG.SRT.C.8

Find the value of y.

• 9

• 18√2

• 9√2

• (9√2)/2

Tags

CCSS.8.G.B.8