Parallelogram ABCD and rectangle ABEF are on the same base AB and have equal areas. Show that the perimeter of the parallelogram is greater than that of the rectangle.
Parallelogram ABCD and rectangle ABEF are on the base AB and have equal areas. Show that the perimeter of the parallelogram is greater than that of the rectangle.
If a parallelogram is cyclic, then it is a rectangle. Justify.
If the diagonals of a parallelogram are equal, show that it is a rectangle.
If the diagonals of a parallelogram are equal, then show that it is rectangle .
Show that the diagonals of a parallelogram divide it into four triangles of equal area.
Show that the diagonals of a parallelogram divide it into four triangles of equal area.
Prove that a cyclic parallelogram is a rectangle.
State whether the statements are True or False. (vi) All parallelograms are rectangles
In a parallelogram ABCD, E and F are the mid-points of sides AB and CD respectively. Show that the line segments AF and EC trisect the diagonal BD.
The shape of a garden is rectangular in the middle and semi-circular at the ends as shown in the diagram.Find the area and the perimeter of this garden [length of rectangle is 20-(3.5+3.5 meters]
SUBHASH PUBLICATION-AREA OF PARALLELOGRAMS AND TRIANGLES-EXERCISE 11.4