Digital History ID 3573. Spain grew rich from the gold and silver it found after conquering native civilizations in Mexico and South America. However, conflict with Indians and the failure to find major silver or gold deposits made it difficult to persuade settlers to colonize there.
Congruent. Exactly equal in size and shape. 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.
rectangle. a parallelogram with at least one right angle opposite sides are parallel opposite sides are congruent opposite angles are congruent diagonals bisect each other any pair of consecutive angles are supplementary All angles are right angles the diagonals are congruent. trapezoid in which the nonparallel sides are congruent the legs are congruent by definition the bases are parallel (by def. of trapezoid) the lower base angles are congruent the upper base angles are congruent the diagonals are congruent any lower base angle is supplementary to any upper base angle.