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Mathematics
Mathematics
Problem
A quadrilateral
P
Q
R
S
PQRS
P
QR
S
has sides
P
Q
=
6
cm
PQ = 6\,\text{cm}
P
Q
=
6
cm
,
Q
R
=
8
cm
QR = 8\,\text{cm}
QR
=
8
cm
,
R
S
=
5
cm
RS = 5\,\text{cm}
R
S
=
5
cm
,
S
P
=
7
cm
SP = 7\,\text{cm}
S
P
=
7
cm
and diagonal
P
R
=
9
cm
PR = 9\,\text{cm}
P
R
=
9
cm
. Find the area of the quadrilateral.
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