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# Trapezoid Area from a Line Segment

ACTMAT-HY4GEK

The height of trapezoid ABCD below is 8 cm.

${ \overline { EF } }$ is parallel to ${\overline { AB } }$ and ${\overline { DC } }$, and intersects ${\overline { AD } }$ and ${\overline { BC } }$ at the midpoints of ${\overline { AD } }$ and
${\overline { BC } }$, respectively.

If $EF = 10$ cm, what is the area, in square cm, of trapezoid ABCD?

A

$20$

B

$40$

C

$60$

D

$80$

E

$100$