PQ is line segment 12 cm long and R is a point in its interior such that PR=8 cm, then find QR, `PQ^2-PR^2` and `PR^2+QR^2+2PR.QR`

PQ is line segment 12cm long and R is a point in its interior such that PR=8cm, then find QR,PQ^(2)-PR^(2) and PR^(2)+QR^(2)+2PR.QR

PQ is a line segment 12cm long and R is a point in its interior such that PR=8cm, then find QR,PQ^(2)-PR^(2) and PR^(2)+QR^(2)+2PR*QR

PQ is a line segment 12cm long and R is a point in its interior such PR=8cm,then

If S is a point on side PQ of a Delta PQR such that PS = QS = RS , then find PR^(2) + QR^(2)

The ends of a line segment are P(1, 3) and Q(1,1) , R is a point on the line segment PQ such that PR : QR=1:lambda .If R is an interior point of the parabola y^2=4x then

In triangle PQR , point S is the midpoint of side QR. If PQ=11, PR=17, PS=13, then find QR.

In a triangle PQR, PQ = 20 cm and PR = 6 cm, the side QR is :

In a rhombus PQRS , PR and QR are the diagonals of the rhombus. If PQ=10 cm , then find the value of PR^2+QS^2 .

X is point on PQ and Y is a point on PR of a ∆PQR such that XY||QR . If (PQ)/(XQ)=7/3 and PR = 6.3 cm , find YR