MathDB
Problems
Contests
National and Regional Contests
Taiwan Contests
Taiwan APMO Prelininary
2019 Taiwan APMO Preliminary Test
P1
P1
Part of
2019 Taiwan APMO Preliminary Test
Problems
(1)
2019 Taiwan APMO Preliminary Problem 1
Source: 2019 Taiwan APMO Preliminary
8/23/2020
In
△
A
B
C
\triangle ABC
△
A
BC
,
∠
B
=
9
0
∘
\angle B=90^\circ
∠
B
=
9
0
∘
, segment
A
B
>
B
C
AB>BC
A
B
>
BC
. Now we have a
△
A
i
B
C
(
i
=
1
,
2
,
.
.
.
,
n
)
\triangle A_iBC(i=1,2,...,n)
△
A
i
BC
(
i
=
1
,
2
,
...
,
n
)
which is similiar to
△
A
B
C
\triangle ABC
△
A
BC
(the vertexs of them might not correspond). Find the maximum value of
n
+
2018
n+2018
n
+
2018
.
geometry