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Obtuse Angle

32. Why measu...

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32. Why measure of each interior angle is (n-2*180)/n? What is the detailed reason behind this formula?

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Q. Question 43
Which of the following is not true for an exterior angle of a regular polygon with n sides?
a) Each exterior angle

= \frac{360^{\circ}}{n}

b) Exterior angle

= 180^{\circ}

- Interior angle
c)

n = \frac{360^{\circ}}{E x t e r i o r a n g l e}

d) Each exterior angle

= \frac{(n - 2) \times 180^{\circ}}{n}

Q. The measure of each exterior angle of an n-sided regular polygon is

(\frac{180^{0}}{n})

.

Q. The correct formula(s) to find the measure of interior angle of a

n -

sided regular polygon is/are:

Q. If the ratio of the sum of the interior angles to measure of each exterior angle of a n sided polygon is 3: 2. Find the value of n.

Q. Why is 2 subtracted from the formula. -- (n-2)180

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