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Find the measure of the missing angle.
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3 votes
Find the measure of the missing angle.

Find the measure of the missing angle.-example-1
User Shruthi Bhaskar
by
4.3k points

1 Answer

6 votes

Explanation:

  • 21°+90°+a=180°
  • 111°+a=180°
  • a=180°-111°
  • a=69°
User Jpangamarca
by
3.8k points
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