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In Delta PQR, PR = 8cm, QR = 4 cm and PL...

In `Delta PQR, PR = 8cm, QR = 4 cm and PL = 5 cm` (Fig 11.22). Find: (i) the area of the `Delta PQR` (ii) QM

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find the value of LR
PL²+LR²=PR²
5² +LR² =8²
LR `=√64-25`
LR. `=√39`
LR=`6.24cm`
now,
LQ=`6.24-4=2.24cm`
...
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