A regular polygon has 21 sides. Find the size of each interior angle?

Answer 1

#color(blue)(162.86^@)# 2 d.p.

The sum of the interior angles of a regular polygon are given by:

#180^@n-360^@#
Where #n# is the number of sides.
#:.#
#180(21)-360=3420^@#

Each angle is therefore:

#3420/21=162.86^@# 2 d.p.
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Answer 2

The size of each interior angle of a regular polygon with 21 sides is 162 degrees.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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