Graph
△
D
E
F
with vertices
D
(
9
,
8
)
,
E
(
9
,
10
)
,
and
F
(
6
,
10
)
.
Coordinate plane graph with 4 quadrants, x-axis coordinates from -10 to 10, y-axis coordinates from -10 to 10.
What is the area of
△
D
E
F
?
Area
square units
ref_doc_title.

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