Formulas for area, perimeter surface area and volume

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Area of a Parallelogram
A=bh
Area of a Triangle
A = 1/2 bh
Area of a Trapezoid
A = ½h*(b₁ + b₂)
Area of a Circle
A=πr²
Volume of Rectangular Prisms
V=lwh
Volume of Triangular Prisms
V = (1/2 bh)h
Volume of Pyramids
V = 1/3Bh
Volume of Cones
V = 1/3Bh
Volume of Spheres
V=4/3πr³
Circumference
The distance around a circle
Surface Area of Cylinders
2πr² + 2πrh
Surface area of Pyramids
S= (1/2)Pl + B (P= Perimeter of Base, L= Slant Height, B= Area of Base)
Surface Area of Cones
SA=πrl + πr²
Perimeter of a Triangle
add all three sides P= a+b+c
Perimeter of a Rectangle
P = 2l+ 2w
Perimeter of a Square
P=4s
Perimeter of a regular Polygon
P= number of sides x side length
Perimeter
the distance around a polygon
Polygon
A closed plane figure made up of line segments
Area
The measure, in square units, of the inside of a plane figure.
base and height always form a __________ angle.
Right or 90°
Perimeter of a Quadrilateral
add all four sides P= a+b+c+d