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deochia's formulas

2012 formulas for chpt.10

QuestionAnswer
Are of a rectangle A=l*w
Area of a parallelogram A=b*h
volume of a rectangular prism V=l*w*h
surface Area of a rectangular prism S.A=2lh+2lw+2wh
Area of a triangle A=(b*h)/2
circumference of a circle C=2*pi*r Or C=pi*d
Area of a circle A=pi*r*r
Area of a trapezoid A=(b1+b1)*h/2
Pi 3.14(decimal form) 22/7(fraction form)
Created by: 10013692
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