Respuesta :

Answer:

A

Step-by-step explanation:

itʻll be equal to 180

the box means 90 degrees

180-90=90

90-29= 61

2*30+1=61

i hope this helps!

29 + ( 2x + 1 ) = 90°
-29 -29

2x + 1 = 61
-1 -1

2x = 60
/2 /2

x = 30

A

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