Question

15)Find each interior angle of the
regular polygons whose number of
sides are given below: a)
18​

Answer 1

Answer:

Since the polygon is regular, all sides and angles are equal, so each turn at each vertex is the same, and of size 360°÷18=20° degrees.

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Answer 2

Answer:

160°

Step-by-step explanation:

total interior angle = (number of sides - 2)× 180°

= (18 - 2) ×180

16 × 180

2880°

each interior angle = total interior anlge/ number of sides or vertices

= 2880/18

=160°