Given the rectangle abcd shown below has a total area of 72. e is in the midpoint of bc and f is the midpoint of dc. what is the area of the inscribed triangle aef.

Refer to the attached image.

Given the rectangle ABCD of length 'l' and height 'h'.

Therefore, CD=AB = 'l' and BC = AD = 'h'

We have to determine the area of triangle AEF.

Area of triangle AEF = Area of rectangle ABCD - Area of triangle ADF - Area of triangle ECF - Area of triangle ABE

Area of triangle ADF =

=

=

Area of triangle ECF =

=

=

Area of triangle ABE =

=

=

Now, area of triangle AEF =

Area of rectangle ABCD - Area of triangle ADF - Area of triangle ECF - Area of triangle ABE

=

=

=

=

= 27 units

Therefore, the area of triangle AEF is 27 units.

picture below

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

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