Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In triangle
P
Q
R
PQR
P
QR
,
S
S
S
lies on
P
R
PR
P
R
and
T
T
T
lies on
P
Q
PQ
P
Q
such that
S
T
∥
Q
R
ST \parallel QR
S
T
∥
QR
. If
P
S
=
6
cm
PS = 6\,\text{cm}
P
S
=
6
cm
,
P
R
=
15
cm
PR = 15\,\text{cm}
P
R
=
15
cm
and the perimeter of triangle
P
Q
R
PQR
P
QR
is
50
cm
50\,\text{cm}
50
cm
, find the perimeter of triangle
P
S
T
PST
P
S
T
.
Browse the problem library