_____ is always a regular polygon.
Isosceles triangle
Equilateral triangle
Rectangle
Pentagon
If the diagonal AC, BD of a parallelogram meet at O, then
OA= OC
OA=OB
OA= OD
OA= BD
The quadrilateral in which the diagonals bisect each other and they are perpendicular to each other.
Rhombus
Parallelogram
Trapezium
Sum of exterior angles of a quadrilateral in right angles
1
2
3
4
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.
If angles P, Q, R, and S of the quadrilateral PQRS, taken in order, are in the ratio 3 : 7 : 6 : 4, then PQRS is a
rhombus
parallellogram
trapezium
kite
The sum of the angles of a parallelogram is
180o
540o
300o
360o
A line segment connecting two non - consecutive vertices of a polygon is called
Side
Angle
Diagonal
Height
If a quadrilateral has two adjacent sides equal and the other two sides equal then it is called
parallelogram
square
rectangle
Each angle of the rectangle measures as
60°
100°
90°
45°