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A 10-sided polygon has four equal angles and measure of each of the other angles is 40°Find the measure of equal angles. |
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Answer» TOTAL ANGLE sum in a 10 sided polygon = 10×90=900 by angle sum property, 4a+6×40=900 4a=900-240=660 a=660÷4=165 therefore measure of each EQUAL angle is 165 |
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