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Hello plz help me
,Tell me Q1(both parts) and Q2 answers of practise now "8" with solutions

Hello plz help me ,Tell me Q1(both parts) and Q2 answers of practise now "8&quot-example-1

1 Answer

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1a.

The total of the exterior angles of a polygon is always 360 degrees.

So if each one is 40, that's 360/40 = 9 sides

Answer: 9 sides

1b.

178 degree interior angle means a two degree exterior angle so 360/2 = 180 sides.

Answer: 180 sides

2.

A decagon is a 10 gon, so external angles 360/10 = 36 degrees and internal angles that are the supplement, 144 degrees.

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