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# Help 19- I can honestly swear this is the hardest I done if someone could explain that would be great.

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I can honestly swear this is the hardest I done if someone could explain that would be great.

Jun 6, 2019

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https://web2.0calc.com/questions/an-artist-is-designing-a-kite-like-the-one-show-below

You could use the same formula that was shown, just with your numbers instead.

Hope this helps ;P

Jun 6, 2019
edited by EmeraldWonder  Jun 6, 2019
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Nickolas  Jun 6, 2019
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Cphill answered 71 someting I have no option for that....

Nickolas  Jun 6, 2019
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Right because they are different nuumebers. Just substitute the numbers here with that formula.

EmeraldWonder  Jun 6, 2019
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The formula CPhill used

EmeraldWonder  Jun 6, 2019
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If you have no option it seems you will have to round the number...

edited by HiylinLink  Jun 6, 2019
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My piggle acount

Nickolas  Jun 6, 2019
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Yes, I see that all those empty answers you gave and half posted questions were proably one special addition the forum XD ; )

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Oh yeah..

Nickolas  Jun 6, 2019
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But then you asked the same question, and you got a different response:

https://web2.0calc.com/questions/an-artist-is-designing-a-kite-like-the-one-show-below_1

EmeraldWonder  Jun 6, 2019
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If you were to substitute your answers with the ones in the formula, it would look like:

\((1/2) (9.5)(12+7)\)

\((1/2)(9.5)(19) = 90.25 \)

So it would be 90.25 square inches

Jun 6, 2019
edited by EmeraldWonder  Jun 6, 2019
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Another method used was the 1/2*b*h:

\(1/2*7*9.5= 33.25\)

\(1/2*12*9.5 = 57\)

\(57+33.25= 90.25\)

You get the same answer of 90.25 square inches

EmeraldWonder  Jun 6, 2019
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Edit: This method here is correct, you just need to double the answer

EmeraldWonder  Jun 6, 2019
edited by EmeraldWonder  Jun 6, 2019
edited by EmeraldWonder  Jun 6, 2019
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The expression (1/2)*b*h refers to a single triangle.

The kite can be considered as two large triangles of base 19in and height 9.5in; or four triangles, two of base 12in and height 9.5in, and two of base 7in and height 9.5in.

Hence you should double your result of 90.25 in2.

Alan  Jun 6, 2019
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I see which would still get you the same result of 180.5

EmeraldWonder  Jun 6, 2019
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The area for a right angle triangle is B*H divided by two. But since there's two of the same triangle, if they were put together they'd make a rectangle.

The only method that I found that has the answer as one of the choices is:

\(7*9.5=66.5\)

\(12*9.5=114\)

\(114+66.5=180.5\)

180.5 Square inches

Hope this helps ;P

Jun 6, 2019