the sum of all angles in a triangle is 180 then express the following statement in mathematical notation .please help
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In a Euclidean space, the sum of measures of these three angles of any triangle is invariably equal to the straight angle, also expressed as 180 °, π radians, two right angles, or a half-turn. It was unknown for a long time whether other geometries exist, where this sum is different. Mark me as brainlist and vote me
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