Respuesta :

sreedevi102

Answer:

x = 25

∠CAB = 50°

∠CBA = 50°

Step-by-step explanation:

sum of angles of triangle = 180

2x + 2x + 80° = 180°

4x = 180 - 80

4x = 100

x = 25

∠CAB = 2x = 2 × 25 =  50°

∠CBA = 2x = 2 × 25 = 50°

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