In `DeltaDEF`, line `PQ||` side `EF`, if `DP=2.4`, `PE=7.2`, `DQ=1.8` then find `QF`.

In the figure lien PQ|| side BC,AP=2.4cm, PB=7.2cm, QC=5.4cm then find AQ .

Two chords AB and PQ of a circle mutually intersect at an outside point D. If AD = 12 cm, AB = 8 cm, DQ = 6 cm then find PQ and PD .

In DeltaDEF measure of angle E is 90^(@) .If cotD=(8)/(15) ,and DE = 16 cm., then what is the length (in cm.,) of side EF ?

In the figure line AD|| line BE|| line CFgt AB=8, BC=4, DE=6 then EF=?

In DeltaDEF measure of angle E is 90^(@) .If cotD=(5)/(12) ,and DE =1 cm, what is the ,length (in cm.)of side EF ?

If DeltaABC~DeltaDEF , AB=4cm, DE=6,EF=9 cm and FD=12 cm, then find the perimeter of DeltaABC .

DeltaABC ~DeltaDEF . If AB= 4cm,BC = 3.5cm,CA = 2.5cmandDF = 7.5cm, then find perimeter of DeltaDEF .

The length of the straight line PQR is 22 cm. If PQ : QR m = 4: 7, find the length of PQ.

In DeltaDEF ,measure of angle E is 90^(@) .If secD=(25)/(7)andDE=1.4 cm ,the what is the length (in cm.)of side DF?