Term
| how to find total interior angle degrees? |
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Definition
(#sides-2)times 180
ex. pentagon: (5-2)times 180
3 times 180
540 |
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Term
| how many degrees do the exterior angles add up to in a heptagon? |
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Definition
| 360 degrees, every polygon has an exterior angle total of 360 degrees |
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Term
| how do you find the area in a regular polygon? |
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Definition
| 1/2 apothem times perimeter |
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Term
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Definition
| distance from center point to any side |
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Term
| how do you find the ratios of the areas of similar polygons if the only known piece is two corresponding sides, one on each polygon? |
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Definition
take the ratio of the sides and square each of them
ex. ratio of sides: 2/3
ratio of area: 4/9 |
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Term
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Definition
| an arc that is more than half of the circle |
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Term
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Definition
| an arc that is less than half of a circle |
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Term
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Definition
| part of the edge of a circle |
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Term
| how do you find circumference? |
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Definition
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Term
| how do you find the area of a circle? |
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Definition
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Term
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Definition
| a section of a circle, like a slice of pizza is a sector of the whole pizza |
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Term
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Definition
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Term
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Definition
| favorable # over unfavorable # |
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