given: abcd is a parallelogram.
prove: ∠a and ∠d are supplementary.
by the defin...
Mathematics, 15.10.2019 19:30 jaeybird9
given: abcd is a parallelogram.
prove: ∠a and ∠d are supplementary.
by the definition of a parallelogram, ab∥dc. ad is a transversal between these sides, so ∠a and ∠d are ? angles. because ab and dc are ? , the same-side interior angles must be ? by the same-side interior angles theorem. therefore, ∠a and ∠d are supplementary.
Answers: 1
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