Respuesta :

syedamaimuna9a6

Answer:

x = 12

Step-by-step explanation:

42 + 4x = 90 ( as it is right angle)

transpose to find x

4x = 90 - 42

4x = 48

x = 48/4

x = 12

hodgedaniel2006

Answer:

x=12

Step-by-step explanation:

90-42=48 48/4=12

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