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3 Cards in this Set
- Front
- Back
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Área of a: Square, A=side2 Rectangle, A=l×w Triangle, A=1/2×b×h Isosceles/Trapezoid, A=1/2h (b1+b2) Circle, A=Pi ×r2
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Volume of a : Cube, V =edge Rectangle solid, V=l × w × h Square pyramid, V = 1/3 ×(base edge 2) × h |
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Perimeter/circumference: Rectangle, p=2 (l + w) Square, p = 4s Triangle, p =a + b + c Trapezoid, p= a + b1 + c + b2 Circle, C= Pi × D=2 Pi r Isosceles trapezoid, P =2 + b1 + b2
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Cylinder, V = Pi × R2 × h Cone, V =1/3 × Pi × R2 × h |
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Rules for using sign numbers: 1) when adding numbers with the same sign add the numbers keep the sign. 2) when adding numbers with different sign subtract the numbers keep the sign of the larger number. 3) when subtracting signed numbers, Keep, change, change. Then follow addition rules. |
1) -3+-4=-7 2)-7+3=-4 3)-7-3= -7+-3=-10 |
