Complete the two-column proof.
Given: QUAD is an isosceles trapezoid
Prove: ∠UAQ = ∠QDU
1.__ 1.Given
2.QD = UA 2.__
3.QU = QU 3.__
4.__ 4.Diagonals of an isosceles trapezoid are equal.
5.__ 5.SSS
6.∠UAQ = ∠QDU 6.__
