Which one is not non-probability sample method
The correct answer is A
A polygon has 44 diagonals. How many sides does this polygon have?
The ratio between the number of sides of two regular polygons is 1 : 2 and the ratio between their interior angle is 2 : 3, the number of sides of these...
Difference between the interior and exterior angles of regular polygon is 60°. How many sides are there in the polygon?
Find the number of sides of regular polygon. If the ratio of interior angles and exterior angles are 3:2.
