MathDB
Problems
Contests
National and Regional Contests
USA Contests
USA - College-Hosted Events
JHMT problems
2022 JHMT HS
4
Cyclic Hexagon
Cyclic Hexagon
Source:
August 8, 2024
geometry
circumcircle
2022
Problem Statement
Hexagon
A
R
T
S
C
I
ARTSCI
A
RTSC
I
has side lengths
A
R
=
R
T
=
T
S
=
S
C
=
4
2
AR=RT=TS=SC=4\sqrt2
A
R
=
RT
=
TS
=
SC
=
4
2
ā
and
C
I
=
I
A
=
10
2
CI=IA=10\sqrt2
C
I
=
I
A
=
10
2
ā
. Moreover, the vertices
A
A
A
,
R
R
R
,
T
T
T
,
S
S
S
,
C
C
C
, and
I
I
I
lie on a circle
K
\mathcal{K}
K
. Find the area of
K
\mathcal{K}
K
.
Back to Problems
View on AoPS