Geometry - Unit 3 (Pythagorean Thrm and Trig Ratios)

For the above right triangle, find the side length x.

• 16

• 41

• 29

• 25

Tags

CCSS.8.G.B.7

Use the above right triangle, with side lengths a, b, and c. The sinx = ______.

• $\frac{b}{c}$

• $\frac{c}{b}$

• $\frac{a}{c}$

• $\frac{c}{a}$

Tags

CCSS.HSG.SRT.C.6

Find $\cos\theta$ , where  $\theta$  is the angle shown.  Give an exact value, not a decimal approximation.

•  $\frac{7}{5}$  

•  $\frac{5}{7}$  

•  $\frac{25}{7}$  

•  $\frac{7}{25}$  

Tags

CCSS.HSG.SRT.C.6

Find $\tan\theta$ , where  $\theta$  is the angle shown.  Give an exact value, not a decimal approximation.

•  $\frac{5}{6}$  

•  $\frac{6}{5}$  

•  $\frac{12}{5}$  

•  $\frac{5}{12}$  

Tags

CCSS.HSG.SRT.C.6

Find the value of x.

• 7
• 8
• 9
• 10

Tags

CCSS.8.G.B.7

Find the value of x.

• 36
• 12
• 16
• 25

Tags

CCSS.8.G.B.7

How do you know which side is the OPPOSITE?

• It is next to the right angle
• It is opposite the right angle
• It is opposite the theta
• It is the bottom leg of the triangle

Which one is one of the easy ways to learn trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

If you are given the opposite side and hypotenuse, which trig function should you use?

• sine
• cosine
• tangent
• cotangent

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8