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In Delta PQR "seg" PS "is median of" Del...

In `Delta PQR "seg" PS "is median of" Delta PQR. "And" PT bot QR,`
(i) `PR^(2) = PS^(2) + QR xx ST + ( (QR)/2)^(2)`

Text Solution

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The correct Answer is:
`PR^(2) = PS^(2) + QR xx ST + ((QR)/2)^(2)`
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In Delta PQR "seg" PS "is median of" Delta PQR. "And" PT bot QR , (ii) PQ^(2) = PS^(2) - QR xx ST + ((QR)/2)^(2)

Seg Pm is a median of Delta PQR. If PQ = 40, PR = 42 and PM = 29, find QR.

Knowledge Check

  • In DeltaPQR seg RS is the bisector of anglePQR,PS=8, SQ=6,PR=20" then " QR = …………….

    A
    10
    B
    15
    C
    30
    D
    40

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