bkpamela16 bkpamela16
  • 19-03-2021
  • Mathematics
contestada

help please! ill mark brainliest

help please ill mark brainliest class=

Respuesta :

janmilczek
janmilczek janmilczek
  • 19-03-2021

Answer:

90deg

Step-by-step explanation:

If the angles are supplementary, that means mA + mB = 180*

we know that

mA = (2x + 8)deg

mB = (2x + 8)deg = mA

mA + mB = 180deg

mB + mB = 2mB = 180deg

mB = 90deg

Note, that we did not need to compute x even, because the angles were the same.

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