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15 Cards in this Set
- Front
- Back
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What is the side ratio for an isoceles right triangle?
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1:1:square root of 2
(sq. root of 2 is across from the right angle) |
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What is the side ratio for a 30-60-90 right triangle?
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1 (across from 30^), sq. root of 3 (across from 60^) and 2 (across from 90^)
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Special right triangle ratios, 3-4-5 and?
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5-12-13
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Is 1 a prime number?
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NO!
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What is the lowest, only even prime number?
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2
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Formula for rate?
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Quantity A/Quantity B
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Formula for % increase?
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new amt-original amt/original amt x 100
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Circumference of a circle?
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c=2(pi)r or (pi)d
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x^a/x^b =?
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x^a-b
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x^a * x^b=?
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x^a+b
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How do you use the AVERAGE to find the SUM?
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Sum = (Average) * (Number of Terms)
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Area of a circle=?
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=(pi)r^2
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Circumference of a circle?
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=2(pi)r or (pi)d
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Reduce the square root of 75
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sq.rt of 25 * square root of 3
=5*sqrt.of 3 |
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What does "inclusive" mean when finding a median?
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Inclusive means to go ahead and "include" the numbers on the ends.
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