Please Help Me (Will give medals for help)

An isosceles trapezoid is a quadrilateral with two congruent legs and a pair of parallel bases. Prove the base angles of an isosceles trapezoid are congruent. Be sure to create and name the appropriate geometric figures. This figure does not need to be submitted.

Question

Please Help Me (Will give medals for help)

An isosceles trapezoid is a quadrilateral with two congruent legs and a pair of parallel bases. Prove the base angles of an isosceles trapezoid are congruent. Be sure to create and name the appropriate geometric figures. This figure does not need to be submitted.

anonymous · Answer

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anonymous · Answer

angle A is congruent to angle D 
angle B is congruent angle C

anonymous · Answer

It's because the sides are equal ?

anonymous · Answer

There are 2 pair of parallel lines like line BA and line CD or BC and AD

anonymous · Answer

Thank you @brianayala

anonymous · Answer

your welcome...