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# Math Geometry

Formula for the area of a square A= l x w
Formula for the area of a rectangle A= l x w
Formula for a triangle A= 1/2 x b x h
Formula for a parrallelogram A= bh
Formula for the area of a trapezoid A= (b1+b2) ---------- 2
Formula for the area of a cirlce A= 3.14 r2
Formula for the volume of a triangular prism V= 1/2 b x h x h
Formula for the volume of a rectangular prism V= l x w x h
Formula for the volume of a cylinder V= b x h
Formula for the surface area of a rectangular prism 2( lw + lh + wh)
Formula for the surface area of a cylinder 2 (3.14 r2 + (2 3.14r) h
Formula for the perimeter of a triangle add up all of the sides
Formula for the perimeter of a circle c= 3.14d or 2 x 3.14 x r
Formula for the perimeter of a square add up all sides
Formula for the perimeter of a rectangle p= 2 (l +w)
supplementary angles angles that add up or have 180 degrees as a sum (straight line)
complementary angles sum of 90 degrees
vertical angles across from each other when two lines intersect (congruent)
vertical angles across from each other when 2 lines intersect (congruent)
adjacent angles next to each other. share the edge/ray
corresponding angles created by a transversal congruent (claw)
alternate interior angles between the parallel lines and on opposite sides of the transversal (congruent)
alternate exterior angles outside of the parallel lines and on opposite sides of the transversal (congruent)
same side interior angles inside of the parallel lines and on the same side of the transversal (non- congruent)
Created by: 17tsmith1