emilymt06
emilymt06 emilymt06
  • 20-10-2021
  • Mathematics
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find the measure of each angle plz do 15 and 16

find the measure of each angle plz do 15 and 16 class=

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bearbearxx1
bearbearxx1 bearbearxx1
  • 20-10-2021

Answer:

15) 55°

16) 90°

Step-by-step explanation:

15)

55° + 75° + x = 180°

x = 50°

___

50° + 60° + x = 180°

x = 70°

__

70° + 55° + ? = 180°

? = 55°

______________________________

16)

55° + 90° + x = 180°

x = 35°

__

35° + x = 90°

x = 55°

___

55° + 35° + ? = 180°

? = 90°

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