Margo estimated 188/5 to be between 30 and 40. Which basic facts did she use to help her estimate? Mark all that apply
2 answers:
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Answer:
15cm
Step-by-step explanation:
First, a square's diagonal is basically the hypotenuse of a 45-45-90 triangle. a 45-45-90 triangle has a really special relationship, where the side length is x, and the diagonal is x . So, the side length is 15.