Fill in the blanks.
(i) Sum of interior angles of a polygon of n __P__ sides is right angles.
(ii) The measure of at least one __Q__ angle of a concave quadrilateral is more than 180°.
(iii) A quadrilateral which has only one pair of equal opposite angles is __R__.
(iv) Sum of all exterior angles of a polygon of n sides is __S__.
|A||4||exterior||kite||n × 360°|
|B||n – 2||exterior||trapezium||n × 180°|
|C||2n – 4||interior||trapezium||360°|
Please explain me the (i) question and how it's answer obtained