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Subject :IMO    Class : Class 8

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°
D 2 interior trapezium 180°

Please explain me the (i) question and how it's answer obtained

Ans 1:

Class : Class 8

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