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Geometry Sem. 1

Geometry formulas semester one

QuestionAnswer
corresponding angles like where u can translate it down, same side of the transversal, one inside one up
area of a triangle formula b*h/2
area of a trapezoid formula h(base 1+ base 2)/2
area of a parallelogram b*h
how to find the maximum of a 3rd side a+b
how to find the minimum of a 3rd side a-b
how to tell if a triangle is obtuse from side lengths c^2>a^2+b^2
how to tell if a triangle is acute from side lengths c^2<a^2+b^2
how to tell if a triangle is right from side lengths c^2=a^2+b^2
90 clockwise (y,-x)
90 counterclockwise (-y,x)
180 (-x,-y)
270 clockwise (y,-x)
270 clockwise (-y,x)
Created by: I'mtheAlpha
 

 



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