freddy76
freddy76 freddy76
  • 23-06-2021
  • Mathematics
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Find the measure of the numbered angles

Find the measure of the numbered angles class=

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JasonDerulo20
JasonDerulo20 JasonDerulo20
  • 23-06-2021
2. Is 30 3. Is 90 and 1. Is 70
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s1m1
s1m1 s1m1
  • 23-06-2021

Answer:

Step-by-step explanation:

∡1 = 180-30-90 = 60°, because sum of all interior angles of a triangle is 180°

∡2 =30°, because vertical angles are congruent

∡3 =180-70-30 = 80°, because sum of all interior angles of a triangle is 180°

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