annah8089295016 annah8089295016
  • 04-06-2020
  • Mathematics
contestada

What is the supplement of ∠A if m∠A = 78°?

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 04-06-2020

Answer:

The supplement is 102

Step-by-step explanation:

Supplementary angles add to 180 degrees

Let x be the supplement

x+ 78 = 180

subtract 78 from each side

x+78-78 = 180-78

x = 102

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