MathDB
Problems
Contests
National and Regional Contests
China Contests
ASDAN Math Tournament
2016 ASDAN Math Tournament
1
2016 Geometry Tiebreaker #1
2016 Geometry Tiebreaker #1
Source:
August 11, 2022
2016
Geometry Tiebreaker
Problem Statement
A
B
C
D
E
ABCDE
A
BC
D
E
is a pentagon where
A
B
=
12
AB=12
A
B
=
12
,
B
C
=
20
BC=20
BC
=
20
,
C
D
=
7
CD=7
C
D
=
7
,
D
E
=
24
DE=24
D
E
=
24
,
E
A
=
9
EA=9
E
A
=
9
, and
∠
E
A
B
=
∠
C
D
E
=
9
0
∘
\angle EAB=\angle CDE=90^\circ
∠
E
A
B
=
∠
C
D
E
=
9
0
∘
. Compute the area of the pentagon.
Back to Problems
View on AoPS