Which of the following is/are point symmetric? (a)   Rectangle                            (b) Square (c)   Parallelogram                      (d) All of these

Which of the following is point symmetric? (a) Equilateral triangle (b) Trapezium (c) Rectangle (d) None of these

Which of the following is point symmetric? (a) Equilateral triangle (b) Trapezium (c) Rectangle (d) None of these

If A is a square matrix, then which of the following is not symmetric ?

In which of the following quadrilateral, sum of squares of all sides is equal to the sum of squares of diagonals? a) Parallelogram b) Rhombus c) Square d) All of above

Give reasons for the following : (a) A square can be thought of as a special rectangle.(b) A rectangle can be thought of as a special parallelogram.(c) A square can be thought of as a special rhombus.(d) Squares,rectangles, parallelograms are all quadrilaterals.(e) Square is also a parallelogram.

Give reasons for the following :(a) A square can be thought of as a special rectangle.(b) A rectangle can be thought of as a special parallelogram.(c) A square can be thought of as a special rhombus.(d) Squares, rectangles, parallelograms are all quadrilaterals.(e) Square is also a parallelogram.

A quadrilateral whose each angle is a right angle is a (a) square (b) rectangle (c) rhombus (d) parallelogram

The points (5,-4,2), (4,-3,1), (7,6,4) and (8,-7,5) are the vertices of a. a rectangle b. a square c. a parallelogram d. none of these

The points (5,-4,2), (4,-3,1), (7,6,4) and (8,-7,5) are the vertices of a. a rectangle b. a square c. a parallelogram d. none of these