IDNLearn.com is your go-to resource for finding expert answers and community support. Get step-by-step guidance for all your technical questions from our dedicated community members.

2. How did you know that the last digit of the whole-number
dimensions of the floor mat must be a 2 or an 8? (Hint: Make a
table of all the squares from 1 to 10, to see the last digits of greater
squares.)