Respuesta :

C1042

Answer:

x = 6°

Step-by-step explanation:

∠A = ∠C (isoceles triangle)

∠C = 73°

∠B = 180° - ∠A - ∠C (angles in a triangle is 180°)

∠B = 180° - 73° - 73°

= 34°

∠B = 5x + 4

5x + 4 = 34

5x = 30

x = 6°

Otras preguntas