Question

Fill in the blanks:
(i) 10-sided polygon is called _____
(ii) A quadrilateral in which two pairs of adjacent sides are equal is
called a _______
(iii) Each interior angle of a n-sided regular polygon is ____.
(iv) The adjacent angles of a parallelogram are__________.
(v) The sum of exterior angles of a convex polygon = _______
(vi) If a polygon has n > 3 sides, then the number of diagonals of a
polygon = _______
(vii) Each exterior angle of a regular polygon of n sides = ______

Answer 1

Answer:

i) decagon

ii) parallelogram

iii) (2n−4)×90°n. 2.

iv) supplementary

v) 360°

vi) n(n-3)/2

vii) 360°

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