geometry problem solving white paper pinned yellow clipboard

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$Geometry Problem Solving on A White Paper pinned on a Yellow Clipboard Royalty Free Stock Photo$

$Some Geometry Problems Solving in a Math Scratch Paper and a Pencil on It Royalty Free Stock Photo$

$Geometry Problem Solving on A White Paper pinned on a Yellow Clipboard$

A Mathematical Geometry Problem Solving written on a White Math Scratch Paper with the sketch or illustration and the calculation. There is an opened blue pen on it. The paper is pinned on a yellow clipboard. The picture is taken from perpendicular angle.