Finding Missing Sides in Right-Angle Triangles with SOHCAHTOA

Finding Missing Sides in Right-Angle Triangles with SOHCAHTOA

Assessment

Interactive Video

Mathematics

8th - 12th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

This video tutorial covers the use of SOHCAHTOA to find missing lengths in right-angled triangles. It provides a detailed example with a twist in rearranging the formula to solve for the unknown side. The video concludes with a summary and a preview of finding missing angles using two sides in the next video.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unique aspect of the problem discussed in the video?

Using SOHCAHTOA for the first time

Finding the hypotenuse with given angles

A different approach to rearranging the equation

Calculating the angle instead of the side

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which side is labeled as adjacent in the example?

The side opposite to the 40° angle

The longest side of the triangle

The side next to the 40° angle

The side across from the right angle

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What trigonometric ratio is used in the example?

Tangent

Cosine

Sine

Secant

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you rearrange the equation to solve for x?

Divide both sides by x

Multiply both sides by x and then divide by cos 40

Multiply both sides by cos 40

Divide both sides by 500

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step to find the value of x?

Multiply 500 by cos 40

Add cos 40 to 500

Subtract cos 40 from 500

Divide 500 by cos 40

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct value of x obtained in the example?

500

653

40

652.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is essential for finding a missing side in a triangle?

Knowing all the angles

Having one side and one angle

Using only the sine ratio

Calculating the area first

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be discussed in the next video?

Using SOHCAHTOA for area calculation

Finding a missing angle with two sides

Finding a missing side with two angles

The history of trigonometry

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the twist mentioned for the next video?

A slight modification in the approach

A new formula for angles

A different method of labeling sides

Another rearrangement technique