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.
congruent sides or segments have the exact same length congruent angles have the exact same measure for any set of congruent geometric figures corresponding sides angles faces etc are congruent note congruent segments sides and angles are often marked