McGraw Hill Integrated II, 2012
MH
McGraw Hill Integrated II, 2012 View details
6. Trapezoids and Kites
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Exercise 1 Page 526

If a quadrilateral is an isosceles trapezoid, then each pair of base angles is congruent.

101^(∘)

Practice makes perfect
Let's find the measure of ∠ D in the given isosceles trapezoid.

Recall that if a quadrilateral is an isosceles trapezoid, then each pair of base angles are congruent. Therefore, ∠ D and the ∠ C are congruent ∠ D ≅ ∠ C This means m ∠ D=101^(∘).