smartie00
smartie00 smartie00
  • 09-03-2021
  • Mathematics
contestada

Can you please help me with this question?

Can you please help me with this question class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 10-03-2021

9514 1404 393

Answer:

  240°

Step-by-step explanation:

The sum of angles in a quadrilateral is 360°, so you have ...

  a° +b° +60° +60° = 360°

  a° +b° = 240° . . . . . .  subtract 120° from both sides

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