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90-180 degrees are
Obtuse
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90degrees is
A right triangle
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Two angles that add up to 90 are?
Complimentary
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Two angles that add up 180 are?
Supplementary
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Two adjacent angels (touching) are?
Linear pair
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Triangle that has no equal sides?
Scalene triangle
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Triangle that has two equal sides?
Isosceles triangle.
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Area of a triangle?
1/2bh
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Perimeter of a triangle?
P= s1+s2+s3
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Perimeter of square?
P=4s
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Perimeter of rectangle?
2Lx2W
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Perimeter of a circle?
2Pi r
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Surface are of a rectangular solid?
SA = 2LW+2hW+2hL
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Volume of a rectangle?
V=wlh
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Rational numbers?
All integers and the fractions in between
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Percent change?
New amount-old amount/ old amount
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Oder of operations
PEMDAS
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