Mathematics
In the figure (i) given below, if DE ∥ BC, AD = 3 cm, BD = 4 cm and BC = 5 cm, find (i) AE : EC (ii) DE.
Related Questions
E and F are points on the sides PQ and PR respectively of a △PQR. For each of the following cases, state whether EF || QR.
(i) PE = 3.9 cm, EQ = 3 cm, PF = 8cm and RF = 9 cm.
(ii) PQ = 1.28 cm, PR = 2.56 cm, PE = 0.18 cm and PF = 0.36 cm.
In the figure (ii) given below, PQ ∥ AC, AP = 4 cm, PB = 6 cm and BC = 8 cm, find CQ and BQ.
In the figure (iii) given below, if XY ∥ QR, PX = 1 cm, QX = 3 cm, YR = 4.5 cm and QR = 9 cm, find PY and XY.
In the adjoining figure, DE ∥ BC.
(i) If AD = x, DB = x - 2, AE = x + 2 and EC = x - 1, find the value of x.
(ii) If DB = x - 3, AB = 2x, EC = x - 2 and AC = 2x + 3, find the value of x.
