The quadrilateral in which the diagonals bisect each other and they are perpendicular to each other.
Rectangle
Rhombus
Parallelogram
Trapezium
If the diagonal AC, BD of a parallelogram meet at O, then
OA= OC
OA=OB
OA= OD
OA= BD
Sum of the angles of exterior angles of a polygon is
360o
180o
720o
600o
Each angle of the rectangle measures as
60°
100°
90°
45°
_____ is always a regular polygon.
Isosceles triangle
Equilateral triangle
Pentagon
The number of sides of a regular polygon, if each of its interior angles is 135°, is given by
4
6
8
10
The sum of the angles of a parallelogram is
540o
300o
In a rhombus ABCD, its diagonals intersect at 'O'. Then AOB=
45o
90o
none of these
The sum of the measures of the four angles of the quadrilateral is
180°
120°
360°
In a square ABCD, the diagonals bisect at O. Then triangle AOB is
an equilateral triangle.
an isosceles but not a right angled triangle.
a right angles but not an isosceles triangle.
an isosceles right angled triangle.
