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Wait let me calculate the area.

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For figure C, you have to multiply 15 x 3. Does that equal to 30, like you said?

I multiply 10x3

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Yes that is now correct. You need to now add up all of the areas of figures A, B, and C.

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Add the 6m as well because we forgot the other missing side length.

Ohh Ok thanks ^_^ Can you please help me to other picture above?

Area of trapezoid:
\[\large \frac{ 1 }{ 2 }(b_1 + b_2)\times h\]

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Can you wait? I gotta go eat.

I am sorry, I cannot. I have to go soon.

@calculusxy I'm back :))

Great :)
Now did you find the area.

Wait, how can i find the area? There's 2 base

Did you look at the picture and the formula that I gave you?

Ohh ok i got this. :D Check my answer

A=77.5

That's correct!

Yay! :D Thanks for everything @calculusxy ^_^ I learned something.

No problem :) And I always happy to teach and learn from users, like you.

*And I AM always happy to teach and learn from users, like you.