Master How to determine the area of an oblique triangle

Master How to determine the area of an oblique triangle

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to find the area of oblique triangles without knowing the height. It begins with a review of calculating the area of right triangles and introduces the formula for oblique triangles using the sine of an angle. The tutorial provides four examples, each demonstrating the application of the formula with different triangle dimensions and angles, including acute and obtuse angles. The importance of using a calculator in degree mode is emphasized for accurate sine calculations.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you find the height of an oblique triangle if it is not directly given?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What values do you need to calculate the area of an oblique triangle using the formula?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the formula for finding the area of an oblique triangle?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of the sine function in calculating the area of a triangle.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of calculating the area of a triangle when given two sides and the included angle.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the area of a triangle with sides of length 3 and 6, and an included angle of 30 degrees?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the measurement of angles affect the calculation of the area of a triangle?

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