Area
Find the area of a: using the equation:  
Circle a = r2
Parallelogram a = bh
Rectangle a = lw
Trapezoid a = 0.5h(b1 + b2)
Triangle a = 0.5bh


Perimeter
Find the perimeter of a: using the equation:  
Circle
(The perimeter of a circle is called Circumference)
c = 2r
or

c = *d
Parallelogram p = 2a + 2b
Rectangle p = 2l + 2w
Trapezoid  
Triangle p = a + b + c


Volume
Find the volume of a: using the equation:  
Sphere v = 1.33**r3
Right Circular Cylinder v = r2h
Right Circular Cone v = .33**r2h




Form of equation:Formula:
Standard Form ax + by = c
Slope Intercept Form/
Y Intercept Form
y = mx + b m = slope
b = y intercept
X Intercept Form x = (y - b)/m b = y intercept
m = slope
Point-Slope Form y - y1 = m(x - x1) (x1,y1)
m = slope


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