Posted by **Max** on Wednesday, April 24, 2013 at 10:27pm.

I have a complex figure like a U shape.

I understand the formula for this is l x w = a

Can you show me the steps?

31m is parael to 31m this would be the height (sides of the U)?? or is this the width?

Length 69m

Width is on the right top of U 23m.

Inside the middle of the U23m

Inside the middle side 12m

So confused can anyone help?

- Math 7th Geometery -
**Reiny**, Thursday, April 25, 2013 at 7:35am
I think I got your figure.

I assume that the height of the inside of the U is 12 m

continue those height to the base, you now have 3 rectangles, the two outside ones are equal and are

31 by 23

The smaller one at the base is 23 by (31-12)

or 23 by 19

total area = 2(31)(23) + (23(19)

= 1426 + 437 = 1863

- Math 7th Geometery -
**Max**, Friday, April 26, 2013 at 11:50am
yes hieght is 12m

Yes 3 rectangles.

yes two outside ones equal 31 by 23

Yes smaller one at the base is 23m

Yes all right. your awesome! This was a tough one for me. But you helped me see where I was confused.

Thank you so much.

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