kareemahkothiya5 kareemahkothiya5
  • 21-05-2021
  • Mathematics
contestada

Give an MN find the value of X and Y

Give an MN find the value of X and Y class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 21-05-2021

9514 1404 393

Answer:

  • x = 21
  • y = 114

Step-by-step explanation:

Consecutive interior angles are supplementary:

  (6x +6)° +(3x -15)° = 180°

  9x -9 = 180 . . . . . . . . . . . . . . simplify, divide by °

  x -1 = 20 . . . . . . . . . . . . divide by 9

  x = 21

__

Angles of a linear pair are supplementary:

  (3x -15)° +(y +18)° = 180°

  3(21) -15 + y + 18 = 180 . . . . substitute for x, divide by °

  y = 114 . . . . . . . . . . . . . . . . . . subtract 66

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