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Practice each question, then open the answer or worked solution.
The polygon in which sum of all exterior angles is equal to the sum of interior angles is called __________.
Solution:-
The polygon in which sum of all exterior angles is equal to the sum of interior angles is called Quadrilateral.
In questions 92 to 131 state whether the statements are true (T) or (F) false.
All angles of a trapezium are equal.
Solution:-
False.
Because, all angles of a trapezium are not equal.
All squares are rectangles.
Solution:-
True.
All squares are rectangles, because it has 4 right angles.
All kites are squares.
Solution:-
False.
In kites all the angles are not equal to 90o but, in the square all angles are equal to 90o.
All rectangles are parallelograms
Solution:-
True.
Because, all the properties of parallelogram are satisfied by the rectangle.
All rhombuses are squares.
Solution:-
False.
Because, the angels of rhombus are not equal to 90o so all rhombuses are not squares.
Sum of all the angles of a quadrilateral is 180o.
Solution:-
False.
Sum of all the angles of a quadrilateral is 360o.
A quadrilateral has two diagonals.
Solution:-
True.
Triangle is a polygon whose sum of exterior angles is double the sum of interior angles.
True.
100. 
is a polygon.
Solution:-
False.
The given figure intersects with itself more than once.