Imagination is more important than knowledge... Albert Einstein

                                                                                   Guess is more important than calculation --- Knowhowacademy.com

Problem Num : 1 Type: None Topic:Solid  Adjustment# : 0 Difficulty: 1
Category	Length
Analysis	This question is asking the length so that you can use the Pythagorath Theorem. To use it, you need to configure the right triangle first. However, I recommend you to memorize this situation.
Solution/Hint

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