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Mathematics
Mathematics
Problem
In parallelogram
P
Q
R
S
PQRS
P
QR
S
, diagonal
P
R
PR
P
R
is drawn. Explain, without using any area formula, why
area
(
△
P
Q
R
)
=
area
(
△
P
R
S
)
\text{area}(\triangle PQR)=\text{area}(\triangle PRS)
area
(
△
P
QR
)
=
area
(
△
P
R
S
)
.
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