In the figure given below, `ABCD` is a square of side `14cm` with `E,F,G` and `H` as the mid points of sides `AB,BC,CD` and `DA` respectively. The area of the shaded portion is

ABCD is a quadrilateral in which AD = BC. E, F, G and H are the mid-points of AB, BD, CD and AC respectively. Prove that EFGH is a rhombus.

ABCD is a rhombus and P, Q, R and S are wthe mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rectangle.

ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rhombus.

D, E and F are the mid-points of the sides BC, CA and AB respectively of triangle ABC. Prove that: BDEF is a parallelogram.

in the adjoining figure ABCD is a square of side 14 cm. Find the radius of the circle

In Delta ABC, D,E and F are mid-point of sides AB ,BC and AC respectively , Prove that AE and DF bisect each other.

The figure, given below, shows a trapezium ABCD. M and N are the mid-points of the nonparallel sides AD and BC respectively. Find: MN, if AB = 11 cm and DC = 8 cm.

The figure, given below, shows a trapezium ABCD. M and N are the mid-points of the nonparallel sides AD and BC respectively. Find: AB, if DC = 20 cm and MN = 27 cm

In the given figure, ABCD is a square of side 21 cm. AC and BD are two diagonals of the square. Two semi circles are drawn with AD and BC as diameters. Find the area of the shaded region (Take pi=22/(7) )