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|dw:1360020584560:dw|

Ok, so if AD is the same as CD..what should AD be?

4 ft?

Correct!
Now do you know what the formula for finding the are of a triangle is?

b * h?

Close!
(B x H)1/2

oh yea i forgot the half

:) Its ok
Ok, so what do you think the base is?

4 *4 ? or add ?

U are gonna add it..soo whats it gonna be?

Good!

Now whats the height?

8*7?

Good..now put that in the formula

Yes!

But don't forget the 1/2 in the formula

its 28 right ?

Yep!!!
\[28 ft ^{2}\]

thank you :)

it said it was wrong ? :(

You're welcome! :)

What?!?

yeah i dont know what went wrong

Oh..I see..

I know..

I hope this wasn't a quiz for a big grade right!?

Cuz, I see what went wrong..and I am really sorry!!

whats that?

Sure!

Lol nvm ahha

Just post your next question

|dw:1360021622659:dw|

Is it the same way you told me>?

Yup!

|dw:1360021756423:dw|

what is the area of this parallelogram

I think its just B x H

so 6 + 4 ? 10 and times 20 ?

Oh wait..no..

Ok..you see how there this a small triangle in the parallelogram?

yes

So..whats the base of the triangle?

its 4 ft

Good. Now do you have any idea of how to find the height of the triangle?

no i dont, how do you find it ?

how do you solve ?

is it 10 ?

wait its 125 !

The H is 10

oh i was right the first time then

Yeh! Now that you know what the height is, you can now find the area of the parallelogram

Its going to be the basic formula
B x H

so 4* 10 ?

no..try again..

10 times 10 ?

yes

the answer is 100 !?

|dw:1360023228622:dw|

the area would be 810 ?

oh nvm its 9

That is correct (9).

no its wrong :(

|dw:1360024796872:dw|

whats the area of this trapazoid ?

Area of trapezoid is (1/2) * 6 * 14 + 13 * 14
A = ?

is it 133?

224 ?

or 48?

224 ? --> I agree.

so the area of the trapazoid is 224 ?

That is what I got.

are you sure?

What are the options?

If the picture is correctly drawn and labeled, I am certain that the answer is 224 square feet.

|dw:1360025794352:dw|

@needmathhelp7 can you help me please?

ok thanks

@jim_thompson5910 can you help me please?

the base is 4.5, the height is 3
so the area is just base * height = 4.5 * 3 = 13.5 square miles

In general
Area of Parallelogram: A = B*H
B = base
H = height

so the area of ABDF is just 13.5 ?

yep 13.5 square miles

are you sure?

yes

thank you !