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7-69.

box A 5' × 4' × 3' box is made for the purpose of storage. What is the longest pole that can fit inside the box? Homework Help ✎

Find the distance between two opposite corners of the box.

Draw a right triangle on the base of the box.
Find the measure of the hypotenuse.

4² + 5² = c²

Now draw a right triangle from the bottom corner to the top of the box.
Find the measure of that hypotenuse.

c² + 3² = d²

7.07'