SOAR Geo | 8-3B Trigonometry: missing sides

Multiple Choice

8.2795

Which digit represents the tenths place?

• 8

• 2

• 7

• 9

• 5

Multiple Choice

Which is the correct way to round 3.45678 to the nearest tenth?

• 3.5
• 3.46

• 3.45
• 3.4

Math Response

Round 5.12384 to the nearest tenth.

Type answer here

Correct Answer: 5.1

Deg^°

Rad

Multiple Select

Which of these numbers rounds to 6.4 when rounded to the nearest tenth?

• 6.48

• 6.36

• 6.44

• 6.31

Match

Match each trigonometric ratio with the correct ratio of sides.

• $$\sin\theta$$

• $$\cos\theta$$

• $$\tan\theta$$

• $$\frac{opposite}{hypotenuse}$$

• $$\frac{adjacent}{hypotenuse}$$

• $$\frac{opposite}{adjacent}$$

Labelling

Label the sides of this triangle.

Drag labels to their correct position on the image

Hypotenuse

Opposite

Adjacent

Dropdown

In this triangle, we know the length of the opposite side is 3m and we want to find the length of the hypotenuse.



Therefore, we should use the trigonometric ratio:​ ​

Select answer

Math Response

Using your calculator, what is the value of $$\frac{3}{\sin31\degree}$$ rounded to the nearest tenth?

Type answer here

Correct Answer: 5.8

Deg^°

Rad

Labelling

Label the sides of this triangle.

Drag labels to their correct position on the image

Hypotenuse

Opposite

Adjacent

Multiple Choice

Which trigonometric ratio should we use to solve for x?

• $$\sin\theta$$

• $$\cos\theta$$

• $$\tan\theta$$

• Any of them

Math Response

Write an equation using $$\cos52\degree$$ that could be used to solve for $$x$$ .

(Use the button at the bottom-right corner to enter cosine.)

Type answer here

Correct Answer: \cos52=\frac{x}{14}

Deg^°

Rad

Draw

Solve for $$x$$ .

Use the canvas to show your work & enter your answer on the next slide.

Math Response

Solve for $$x$$ .

Round to the nearest tenth.

Type answer here

Correct Answer: 8.6

Deg^°

Rad