Kdizzle5703 Kdizzle5703

20-12-2018
Mathematics

contestada

Geometry/Algebra
Find the missing angle measure

GeometryAlgebra Find the missing angle measure class=

Respuesta :

jimrgrant1 jimrgrant1

20-12-2018

Answer:

∠2 = 115.5°

Step-by-step explanation:

128.5° is an exterior angle of the triangle

The exterior angle equals the sum of the 2 opposite interior angles, hence

∠2 + 13 = 128.5 ( subtract 13 from both sides )

∠2 = 115.5°

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