Q50 of 160 Page 144

If a diagonal of a quadrilateral bisects both the angles, then it is a

A parallelogram is a quadrilateral whose diagonal bisects both the angles. It is also true for rhombus and rectangle but in a rhombus all the sides are also equal and in a rectangle all the angles are also equal.

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48

PQRS is a trapezium in which PQSR and P = 130°, Q = 110°, then R is equal to :

 49

The number of sides of a regular polygon who’s each interior angle is of 135° is

 51

To construct a unique parallelogram, the minimum number of measurements required is

 52

To construct a unique rectangle, the minimum number of measurements required is