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Gearyjames8
03.04.2020 •
Mathematics
What is the area of a triangle whose side is 17 meters long
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Ответ:
125.141
Step-by-step explanation:
Assuming that this is an equilateral triangle, I am going to divide this triangle in half to get a right triangle.
17 is our hypotenuse
17/2 = 8.5, this is one of our legs
The other leg is our height, which we will find.
We use Pythagoras Theorem to find the height/leg:![a^{2} +b^{2} =c^{2}](/tpl/images/0580/7811/98969.png)
Now, we use another formula to find the area of the triangle:![\frac{Base*Height}{2}](/tpl/images/0580/7811/4fdc6.png)
14.72243186 × 17 = 250.2813416
250.2813416 ÷ 2 = 125.1406708
Ответ:
Your welcome