What does it mean for a pair to be congruent in geometry?

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Multiple Choice

What does it mean for a pair to be congruent in geometry?

Explanation:
Congruence means two figures have the same size and shape. If you move one figure with rigid motions—sliding, rotating, or flipping—it can be placed exactly over the other, with corresponding sides equal in length and corresponding angles equal in measure. That precise match shows the figures are congruent. The other ideas describe line or angle relationships (perpendicular means a 90-degree intersection, parallel means never meeting, complementary means angles that sum to 90 degrees) rather than the overall equivalence of two figures.

Congruence means two figures have the same size and shape. If you move one figure with rigid motions—sliding, rotating, or flipping—it can be placed exactly over the other, with corresponding sides equal in length and corresponding angles equal in measure. That precise match shows the figures are congruent. The other ideas describe line or angle relationships (perpendicular means a 90-degree intersection, parallel means never meeting, complementary means angles that sum to 90 degrees) rather than the overall equivalence of two figures.

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