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Question
Find a number of side in a regular polygon, if it exterior angle is: 30°.
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Solution
Let number of sides = n
`therefore 360^circ/"n" = 30^circ`
n = `360^circ/30^circ`
n = 12
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Fill in the blanks :
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| (iv) _________ | _____45°_____ | ______ |
| (v) _________ | __________ | _____150°_____ |
| (vi) ________ | __________ | ______140°____ |
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