Savvas lesson 8.2 - intro to trig

Multiple Choice

What is the exact value of x?

• $$6\sqrt[]{2}$$

• $$2\sqrt[]{6}$$

• $$6\sqrt[]{3}$$

• $$12$$

Multiple Choice

What is the exact value of x?

• $$6\sqrt[]{2}$$

• $$12$$

• $$3\sqrt[]{6}$$

• $$6\sqrt[]{3}$$

Multiple Choice

What is the exact value of y?

• $$6\sqrt[]{2}$$

• $$12$$

• $$3\sqrt[]{6}$$

• $$6\sqrt[]{3}$$

Match

In the triangle, angle B is a right angle. Use angle C as the reference angle and match the following:

• Opposite leg

• Adjacent leg

• Hypotenuse

• $$\overline{AB}$$

• $$\overline{BC}$$

• $$\overline{AC}$$

Multiple Select

Which two of the options below are true about similar figures?

• corresponding sides are proportional

• corresponding angles are congruent

• corresponding sides are congruent

• all angles are proportional

• all sides are proportional

Multiple Select

What are the three triangle similarity criteria? Select all three

• AA~

• SAS~

• SSS~

• HL~

• SSA~

Open Ended

Multiple Choice

Since the three triangles are similar, what is true about their corresponding sides?

• they are congruent to each other

• they are proportional

• there is no relationship between the sides

Multiple Choice

What is the sine ratio? <SOH CAH TOA>

• $$\sin\theta=\frac{opp\ leg}{hyp}$$

• $$\sin\theta=\frac{hyp}{opp\ leg}$$

• $$\sin\theta=\frac{adj\ leg}{hyp}$$

• $$\sin\theta=\frac{opp\ leg}{adj\ leg}$$

• $$\sin\theta=\frac{adj\ leg}{opp\ leg}$$

Multiple Select

Which of the following are true for the triangle shown? Select all that apply. <SOH CAH TOA>

• $$\sin30=\frac{6}{12}$$

• $$\tan30=\frac{6}{6\sqrt[]{3}}$$

• $$\sin60=\frac{6\sqrt[]{3}}{12}$$

• $$\cos30=\frac{6\sqrt[]{3}}{6}$$

• $$\sin12=\frac{30}{6}$$