Question

Select the INCORRECT statement.

• A. If diagonals of a quadrilateral are equal, it must be a rectangle.
• B.
  Every rectangle is a trapezium.
• C. A quadrilateral can be drawn if all four sides and one angle is known.
• D. Triangle is a polygon whose sum of exterior angles is double the sum of interior angles.

Answer 1

The correct option is B

Every rectangle is a trapezium.
A trapezium is a quadrilateral with exactly one pair of opposite sides parallel to each other.
But rectangle has two pairs of opposite sides parallel to each other.
Thus, statement in option (d) is incorrect.