In the following figures DE || BC.
(i) Find EC (ii) Find AD

Consider the following frequency table . (i) Find the mean (ii) Find the mean deviation about the mean.

In the adjoining figure, seg DE|| side BC . If DE : BC =3: 5 , then find A(DeltaADE):A(DeltaDBCE)

In the given figure AB || CD, BC || DE then find the values of x and y

In the adjoining figure, angle DFE = 90^(@), FG bot ED if GD = 8, FG = 12 then find (i) EG (ii) FD (iii) EF.

In the adjacent figure, Delta ABC is right angled at C and DE bot AB . Prove that Delta ABC ~ Delta ADE and hence find the lengths of AE and DE ?

Let A(2,3, 4) B(4, 3, 2), C(5, 2,-1) be three points (i) Find AB and BC. (ii) Find the area of DeltaABC

Find the value of x in the following figures.

Find the value of x in the following figures.

In the figure , DE || BC and (AD)/(DB) = 3/5 , calculate the value of (i) ("area of " Delta ADE)/("area of " Delta ABC) (ii) ("area of trapezium BCED")/("area of " Delta ABC)

In the adjoining figure, (i) if m (arc CE) = 54^(@) , m (arc BD) =23^(@) , then find angleCAE . (ii) If AB = 4 . 2 , BC = 5 . 4 , AE = 12, then find AD (iii) If AB 3 . 6 , AC = 9 . 0 , AD = 5 . 4 , then find AE.