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2021-IMOC qualification
G0
area of triangle wanted 2021 IMOC qualification problem, G0
area of triangle wanted 2021 IMOC qualification problem, G0
Source:
December 30, 2021
geometry
Problem Statement
Let
D
,
E
,
F
D,E,F
D
,
E
,
F
be the midpoints of
B
C
BC
BC
,
C
A
CA
C
A
,
A
B
AB
A
B
in
△
A
B
C
\vartriangle ABC
△
A
BC
such that
A
D
=
9
AD= 9
A
D
=
9
,
B
E
=
12
BE= 12
BE
=
12
,
C
F
=
15
CF= 15
CF
=
15
. Calculate the area of
△
A
B
C
\vartriangle ABC
△
A
BC
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