Please help. I really need help. This is soo confusing. Will fan and medal.

- anonymous

Please help. I really need help. This is soo confusing. Will fan and medal.

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- anonymous

What is your question?

- anonymous

Use the formula for the area of the trapezoid.

- anonymous

Okay?

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## More answers

- anonymous

A=h\[\frac{ b1+b2 }{ 2 }\]

- anonymous

What is the measurements for your trapezoid?

- anonymous

a = base, b = base, and h = height

- anonymous

I'll be right back. Tag me when you get the measurements!

- anonymous

Length of the bases, and h is the height, to answer the question. How many square feet of grass are there on a trapezoid field with a height of 175ft and the bases of 125ft and 81ft

- anonymous

@HistoryGeek18 ^^

- anonymous

where A is area b1 and b2 ar the ^^length of the bases. (it's before that post.

- anonymous

Alrighty your overall area equals A = 18,025.

- anonymous

Do you have an idea of how I got that?

- anonymous

Not entirely. That's why I'm confused.

- anonymous

IS there anyway you can describe it?

- anonymous

okay so, a is your "top base" or the top measure of your trapezoid so the smallest measurement for the bases is what you'll plug in for a base.

- anonymous

as in a^1 = 81

- anonymous

b^2 = 125

- anonymous

because "b" is always the bottom of your trapezoid.

- anonymous

Okay.

- anonymous

So plug those into the equation for me.

- anonymous

\[\frac{ 81 }{ 125 }\] is this correct?

- anonymous

No.

- anonymous

a + b

- anonymous

plug in base "a" and base "b"

- anonymous

Then I'm confused.

- anonymous

so 81+125?

- anonymous

The equation for a trapezoid is a + b divided by 2 = h

- anonymous

Yes! so now our equation looks like this:
81 + 125
_________ = h
2

- anonymous

What do we plug in for h?

- anonymous

so H=103?

- anonymous

Where did you get 103?

- anonymous

Wait. I'm doing something wrong.

- anonymous

You're not adding quite yet!

- anonymous

oh okay.

- anonymous

Your equation right now if you plugged in h = 175

- anonymous

should look like this:
8 + 125
________ = 175
2

- anonymous

wait. 8 or 81?

- anonymous

Sorry 81

- anonymous

81 = a

- anonymous

\[\frac{ 81+ 125}{ 2} =h\]

- anonymous

Yes! Now, plug in for h = height

- anonymous

no sorry 175?

- anonymous

h = 175

- anonymous

okay. oh wait. I just rechecked the equation. its 75 not 175. Does the equation still stay the same?

- anonymous

Yes, so now we just want to plug in 75 for h instead of 175

- anonymous

\[\frac{ 81+125 }{ 2}=75\]

- anonymous

Yes!!!! Now, solve the fraction part of your equation first!

- anonymous

66.5 * 75 = ?

- anonymous

I already divided for you just solve that for me.

- anonymous

oh okay. 4987.5?

- anonymous

Oops I'm sorry

- anonymous

Solve 103 * 75 = ?

- anonymous

7725?

- anonymous

Correct!

- anonymous

So, A (area) = 7,725

- anonymous

Okay. So is that it?

- anonymous

Yes, let me show you the whole equation so you can use it next time.

- anonymous

Okay thanks!

- anonymous

A = a + b/2 * h = 81 + 125/2 * 75 = 7725

- anonymous

There you are! Hope I helped you!

- anonymous

You really helped thanks!

- anonymous

Great! Tag me if you need anything else!

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