Lesson 2 Revisiting Right Triangles

Lesson 2 Revisiting Right Triangles

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Multiple Choice

• A

• B

• C

• D

Multiple Choice

Express AB using the appropriate trig function.

• $\sin\left(\theta\right)$

• $\cos\left(\theta\right)$

• $\tan\left(\theta\right)$

Multiple Choice

Express BC using the appropriate trig function.

• $\sin\left(\theta\right)$

• $\cos\left(\theta\right)$

• $\tan\left(\theta\right)$

Multiple Choice

What is the length of segment DE?

• $\frac{1}{12}$

• $\frac{1}{13}$

• $\frac{1}{5}$

• $\frac{5}{12}$

• $\frac{12}{13}$

Multiple Choice

What is the length of segment EF?

• $\frac{1}{12}$

•  $\frac{5}{13}$ 

• $\frac{1}{5}$

• $\frac{5}{12}$

• $\frac{12}{13}$

Open Ended

Explain why the length of segment DE is cos(D) and the length of segment EF is sin(D).

Multiple Choice

Find Sin(A).

• $\frac{2}{\sqrt{40}}$

• $\frac{6}{\sqrt{40}}$

• $\frac{2}{6}$

• $\frac{1}{3}$

Multiple Choice

Find Cos(A).

• $\frac{2}{\sqrt{40}}$

• $\frac{6}{\sqrt{40}}$

• $\frac{2}{6}$

• $\frac{1}{3}$

Multiple Choice

Find Tan(A). Simplify your answer.

• $\frac{2}{\sqrt{40}}$

• $\frac{6}{\sqrt{40}}$

• $\frac{2}{6}$

• $\frac{1}{3}$

Open Ended