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GeoBasics2.2 part 1

作成者:Mark Brouwer

Find three angles that sum to 180°

The crucial premise to prove that the interior angles of a triangle sum to two, right angles

Select any three angles that you know add up to 180°

該当するものを全て選択
  • A
  • B
  • C
  • D
  • E
答 (3)を確認

Select all pairs of angles that are supplementary

該当するものを全て選択
  • A
  • B
  • C
  • D
  • E
  • F
答 (3)を確認

GeoBasics2.2: I can prove that the interior angles of a triangle sum to two, right angles

Proving Interior Angles of a Triangle

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