Yes.
If you don't know that, you should review seriously, or you'll get clobbered on the test.
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The base angles of an isosceles trapezoid are congruent
An isosceles trapezoid
always.
The base angles of an isosceles triangle are congruent. The vertex angle of an isosceles triangle is not necessarily congruent to the base angles.
No but it has congruent base angles. Also it has: One pair of parallel sides Non-parallel sides that are equal Two pairs of equal angles Diagonals that are equal