Ella was out at a restaurant for dinner when the bill came. Her dinner came to $9. After adding in a tip, before tax, she paid $
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Answer:
Step-by-step explanation:
Draw a diagonal (line segment from one corner to the opposite corner). You'll form two right triangles with the diagonal being the hypotenuse of both triangles.
Use the Pythagorean Theorem: (leg)^2 + (leg)^2 = (hypotenuse)^2.
Let h represent the length of the hypotenuse.
The question is just a bit vague. It should say opposite corners. I'm assuming the question does not mean the length of one side!