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The Washington Monument is tall and weighs .
The monument is topped by an aluminum square pyramid.
The sides of the pyramids base measure , and the pyramid is tall.
Find the slope that a face of the pyramid makes with its base.
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Consider the ordered pairs and .
(Formula for slope)
(Substitute and )
(Simplify)
(Simplify)
Therefore, the slope is .
So, the slope that a face of the pyramid makes with its base is about either or .
The slope that a face of the pyramid makes with its base is .
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