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01-02-2021
Mathematics

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What is the measure of

What is the measure of class=

Respuesta :

01-02-2021

Answer:

Step-by-step explanation:

∠BAC = 180° - 75° = 105°

The sum of the angles of a triangle is 180°.

(3x+2) + (10x-5) = 75

13x-3 = 75

x = 6

∠B = 3x+2 = 20°

∠BCF = 10x-5 = 55°

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