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Mathematics
Mathematics
Problem
In parallelogram
P
Q
R
S
PQRS
P
QR
S
, the diagonals
P
R
PR
P
R
and
Q
S
QS
QS
intersect at
O
O
O
. If
O
P
=
4
cm
OP = 4\,\text{cm}
O
P
=
4
cm
, find (i)
O
R
OR
O
R
and (ii) the length of diagonal
P
R
PR
P
R
.
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