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11 Cards in this Set
- Front
- Back
what is a chord?
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a line segment with endpoints on a circle
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What is the radius?
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the distance from the center point of the circle to the side
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What is the Diameter?
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A chord that goes that goes through the center
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What is a Minor arc?
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an ack that mesures less than 180
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What is a semicircle equal
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a arc that equals 180
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what is a major arc?
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a arc that mesures greator than 180
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what is the Pythagoren therirem
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A squard phus B squard equals C squard
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when are two cords congruent?
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when the disance from the cords to the center is equal
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what is the formula for circumference
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C=2piXr
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What is the formula for Area of a circle?
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A=pi r squard
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how is the interor angles
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(N-2)180
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