Triangles G H K and X Y Z are shown. The length of side H K is 21 centimeters. The length of side Y Z is 26 centimeters. Sides GH and XY are congruent. Sides G K and X Z are congruent. Given GK = XZ and GH = XY, which statement must be true? m∠G > m∠X m∠G < m∠X HG = XZ HK = YZ