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OpenStudy (sagewilson):
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I will give a medal, no direct answers.
Find the area of a triangle whose base is 2√3 in. and height is 3√3 in.
6√3 in.²
9 in.²
18 in.²
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OpenStudy (sagewilson):
Directrix (directrix):
The area of a triangle is found by:
A = (1.2) * b * h
OpenStudy (sagewilson):
Okay thank you, but how would I figure out the value of 2√3 and 3√3 or would I just have to multiply them and the √3 would stay the same?
Directrix (directrix):
A = (1/2) * 2√3 * 3√3
Directrix (directrix):
A = (1/2) * 2 * 3 √3 * √3
What is square root of 3 times square root of 3?
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OpenStudy (sagewilson):
Wait, how did you get √3 at the end of the equation?
Directrix (directrix):
There are two square roots of 3 in the problem.
I moved them so that they are together.
The problem is the same.
OpenStudy (sagewilson):
Okay.
OpenStudy (sagewilson):
The square root of 3 times the square root of 3 would be 2.99999997378
Directrix (directrix):
>> the √3 would stay the same? No.
That is why I put them together
So that you could multiply √3 * √3 and get √9 which is just 3
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OpenStudy (sagewilson):
Oh right I did it wrong.
Directrix (directrix):
A = (1/2) * 2 * 3 √3 * √3
A = (1/2) * 2 * 3 * 3
A =
OpenStudy (sagewilson):
It would be 9in
Directrix (directrix):
9 square inches.
Area is measured in square units.
OpenStudy (sagewilson):
Alright. Thank you for your help.
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Directrix (directrix):
You are welcome.
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