Respuesta :

nuggetbutt
2 and 3 are supplementary/make a straight line, so together they equal 180.
That means if 2 is 117, 3 must be 63°
wegnerkolmp2741o

Answer:

63

Step-by-step explanation:

<2 and <3 form a straight line so they are supplementary angles

<2 + <3 = 180

117+ <3 =180

Subtract 117 from each side

117-117  + <3 = 180-117

<3 = 63

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