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uess on my questions.
2 answers:
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Answer:
Find below the calculations of the two areas, each with two methods. The results are:
- Upper triangle:
- Lower triangle:
Explanation:
<u>A) Method 1</u>
When you are not given the height, but you are given two sides and the included angle between the two sides, you can use this formula:
Where, is the measure of the included angle.
1. <u>Upper triangle:</u>
2. <u>Lower triangle:</u>
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<u>B) Method 2</u>
You can find the height of the triangle using trigonometric properties, and then use the very well known formula:
Use it for both triangles.
3. <u>Upper triangle:</u>
The trigonometric ratio that you can use is:
Notice the height is the opposite leg to the angle of 60º, and the side that measures 100 units is the hypotenuse of that right triangle. Then:
3. <u>Lower triangle:</u>
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