ofkdae
ofkdae ofkdae
  • 11-06-2021
  • Mathematics
contestada

Find the value of "a" and please explain.

Find the value of a and please explain class=

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sarahlynn0767 sarahlynn0767
  • 11-06-2021
20 degrees

Explanation:
Due to geometric laws, the total degrees of the line should be 90 degrees. The one on the left side is 70 degrees, so 90-70 equals 20 :)
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