Finding a Missing Side of a Right Triangle Using Sin Cos and Tan

Find the length of the missing side. 

• 17 cm

• 22 cm

• 15 cm

• 13 cm

Tags

CCSS.8.G.B.7

Find the length of the missing side. 

• 20 in.

• 68 in.

• 16 in.

• 80 in.

Tags

CCSS.8.G.B.7

Focus in on the 70^o angle...which two sides are "identified" in the figure?

• opposite

  (an unknown)

• hypotenuse

  (4 units)

• adjacent

  (no marking)

• None of these

Tags

CCSS.HSG.SRT.C.6

Let's consider angle B (25^o). Which two sides do "b" and "8" represent?

• Opposite

• Adjacent

• Hyptonuse

• All of them

Tags

CCSS.HSG.SRT.C.6

Let's focus on these two;

Opposite Side = "b"

Adjacent Side = "8"

(in relationship to angle B)

Which trig ratio uses these two sides?

• sine (sin)

• cosine (cos)

• tangent (tan)

• none of them

Tags

CCSS.HSG.SRT.C.6

So now...which of the following equations would hold true?

Tags

CCSS.HSG.SRT.C.6

Which of the following best represents the length of side "b?"

• 3.73

• 177.88

• 17.16

• 17.74

Tags

CCSS.HSG.SRT.C.8

Choose the correct set up to find the length of the side x.

• None of these are correct

Tags

CCSS.HSG.SRT.C.6

Which trig ratio or formula should you use to find "c"?

• sin(25)

• cos(25)

• tan(25)

• Pythagorean Theorem

Tags

CCSS.HSG.SRT.C.6

Use this formula to solve the problem\tan\theta=\frac{opposite}{adjacent} The angle of elevation is 60 degrees from the ground at point c. The opposite side is the height of the building. The distance from point c to the building is 50m. How tall is the building?

• 60 m tall

• 50 m tall

• 86.6 m tall

• 100.5 m tall

Tags

CCSS.HSG.SRT.C.8