1598 Spanish Colonization of New Mexico Juan de OÃ±ate leads the Spanish colonization of the province of New Mexico. He establishes his first capital in San Juan de los Caballeros at the confluence of the Rio Grande and Chama River. Read More.
1 An equilateral triangle has all its angles measuring 60Â°. So, the angles of an equilateral triangle are Congruent Angles.  A square and a rectangle have all their angles measuring 90Â°. So, the angles of a square and a rectangle are Congruent Angles.
False. All squares are rhombuses, but not all rhombuses are squares. A square is a parallelogram with four congruent sides and four right angles. A rhombus is a parallelog â¦ ram with four congruent sides, but it doesn't necessarily have to have right angles. 12 people found this useful.