mateafiliposka mateafiliposka

08-02-2021
Mathematics

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please helpppp and explain

please helpppp and explain class=

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thebecks thebecks

08-02-2021

Answer:

angle BAC=50-2x

Step-by-step explanation:

angle ACD=115+x

then, angle ACB=180-(115+x) because it is a supplementary angle

angle ABC=angle ACB because it is an isosceles triangle

angle BAC=180-2[180-(115+x)]

angle BAC=180-360+230-2x

angle BAC=50-2x

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