katieb
  • katieb
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anonymous
  • anonymous
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anonymous
  • anonymous
it's given that the 2 triangle are congruent. triangle ABC = triangle DEF that means angle A = angle D = 30 angle B = angle E = 50 angle C = angle F do you know how to find the last angle in a triangle?
anonymous
  • anonymous
100? Because 50+30=80. 180-80=100.

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anonymous
  • anonymous
i dont know how sorry
anonymous
  • anonymous
yes it's 100
anonymous
  • anonymous
Thank youu! (:

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