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U8F1 - Interior Angles of Polygons

Last updated over 4 years ago

3 questions

1

1

1

Question 1

1.

What is the Sum of measures of all Internal Angles of a Regular nonagon (9 sides)?

1620

540

1260

810

Question 2

2.

What is the the measure of each Internal Angle of a Regular nonagon (9 sides)?

140

180

90

45

Question 3

3.

Select the correct value of x?

40

20

60

9