greckga901 greckga901

12-10-2020
Mathematics

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I need help you ASAP I need the answer

I need help you ASAP I need the answer class=

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ujalakhan18 ujalakhan18

12-10-2020

Answer:

[tex]\huge\boxed{<BCA = 48\°}[/tex]

Step-by-step explanation:

The measure of exterior angle is equal to the sum of the non-adjacent interior angles.

So,

∠NAB = ∠ABC + ∠BCA

105° = 57° + ∠BCA

Subtracting 57 to both sides

∠BCA = 105°-57°

∠BCA = 48°

Hope this helped!

~AnonymousHelper1807

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