Respuesta :

Answer:

Step-by-step explanation:

Take AC as  x

90° + x +70°= 90°

x = 70 + 90 = 160 - 90 = 70

x = 70

Hope this answer will help you!!!!!

Step-by-step explanation:

90°+?+70°=90°(right angle)

?=70+90=160-90=70

?=70

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