Sohcahtoa and Special Right Triangles

Find the length of side y.

• 22.32 cm

• 36.5 cm

• 76.34 cm

• 87.76 cm

Tags

CCSS.HSG.SRT.C.8

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  Which of these is nearest to the height of the lighthouse? 

• 25 feet

• 44 feet 

• 110 feet 

• 135 feet 

Tags

CCSS.HSG.SRT.C.8

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

Tags

CCSS.8.G.B.8

What is the length of y in this 45-45-90 triangle?

• 8√2

• 4√2

• 4

• 8

Tags

CCSS.8.G.B.8

Solve for x.

• 7.73

• 11.11

• 11.51

• 7.68

Tags

CCSS.HSG.SRT.C.8

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is closest to the height of the lighthouse? 

• 25 feet

• 45 feet 

• 110 feet 

• 135 feet 

Tags

CCSS.HSG.SRT.C.8

What equation can be used to solve for x?

• Sin(40°)= x/40 

• Sin(40º)=x/19

• Cos(40º)=x/19

• Tan(40°)=19/x

Tags

CCSS.HSG.SRT.C.6

Which trig function would you use with this diagram?

• ^Sin

• ^Cos

• ^Tan

• ^Wha??

Tags

CCSS.HSG.SRT.C.6

• x = 17.75
  y = 38.06
• x = 38.06
  y = 17.75
• x = 19.58
  y = 37.16
• x = 37.16
  y = 19.58

Tags

CCSS.HSG.SRT.C.8

In this isosceles triangle, what is the length of x?

• 8√2

• 16

• 8

Tags

CCSS.HSG.SRT.C.8