Geometry

x = white area

larger circle area =   8x + x = 9 x

small circle area = pi r₁²  = x

Larger circle       = pi r₂²   = 9x  =   9 pi r₁ ²

pi r₁²  /  9 pi r₁²   =    1/ 9

Geometry is defined as “a branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids.” * Put simply, geometry is a type of math that deals with points, lines, shapes, and surfaces.

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