Join the conversation on IDNLearn.com and get the answers you seek from experts. Get accurate and comprehensive answers to your questions from our community of knowledgeable professionals.

What kind of equation could I use to solve this/how do I solve this:

If the same length is cut off three pieces of wood measuring 21cm, 42cm, and 45cm, the three pieces of wood can be assembled into a right triangle. What length needs to be cut off each piece?