Question
In triangle DEF, GH is drawn parallel to side EF. If DG = 9
cm, GE = 3 cm and DH = 6 cm, find DF.Solution
ATQ,
By Basic Proportionality Theorem,
(DG / GE) = (DH / HF)
=> (9 / 3) = (6 / HF)
=> HF = (6 × 3) / 9 = 2 cm
So, DF = DH + HF = 6 + 2 = 8 cm
If (x 3/2 - x.y 1/2 + x 1/2 .y-y 3/2 ) is divided by (x 1/2 -y 1/2...
If z + (1/z) = 2 then find z105 + 1/(z105) = ?
If a =-10, b= -6 and c=18, then what is the value of (3abc)/4.
Find the number in place of ?
6, 14, 26, ?, 106, 214
If (x24 + 1)/x12 = 7, then the value of (x72 + 1)/x36 is
If polynomial P(x) = x3 - 3x2 + 5x-3 is divided by polynomial G (x) = x2 - 2, the quotient and remainder are:
If the length of a rectangle is increased by 40%, and the breadth is decreased by 20%,then the area of the rectangle increases by x%. Then the value of ...
22% of ‘x’ is equal to 66% of ‘y’, then find the value of x: y.
if x2 – 2x + 1 = 0, then find the value of (x7 + x5 + x4 + x2)/x ?