Quadrilateral ABCD is a trapezoid with an area of 20 cm2004-05-02-04-00_files/i0290000.jpg. Find the height of the trapezoid, h. Round the answer to the nearest tenth.

Question

chancemorris123 · Answer

attachment

mertsj · Answer

Do you know the formula for the area of a trapezoid?

chancemorris123 · Answer

no clue

chancemorris123 · Answer

so what you think it is i have the screen shot

mertsj · Answer

http://www.mathgoodies.com/lessons/vol1/area_trapezoid.html

mertsj · Answer

Plug the given information into that formula and solve for h.

chancemorris123 · Answer

but there is no h

mertsj · Answer

That's what you have to find.

chancemorris123 · Answer

so how cna i do btime btime h

mertsj · Answer

You are given the area and both bases.  Find h

study_together · Answer

The formula for the height of a trapezoid is $$2\frac{ A }{ a+b }$$ A=area
a=base
b= 2nd base
So the height is 4.0 cm

chancemorris123 · Answer

oh ok but one thing where you get the 2 from?

study_together · Answer

I'm sorry it should be H=height

chancemorris123 · Answer

ok thank you

study_together · Answer

Can I get a medal?

chancemorris123 · Answer

how do i do that?