👉 Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they ...

👉 Learn how to find the corresponding pairs of congruent triangles. Two or more triangles are said to be congruent if they ...

New work on the problem of “scissors congruence” explains when it’s possible to slice up one shape and reassemble it as another. If you have two flat paper shapes and a pair of scissors, can you cut ...