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You find the area for every single side of the object (base x height) and sum it up to get the surface area. For example: to find the surface area of a cube, you would use the formula of 6a^2 (or 6 x a x a). To further explain that: because a cube has 6 identical sides and the measurement of base and height are equal (a = length of one leg) you would multiply the base(a) by the height(a) and times it by 6 stating that there are 6 areas of that area measurement to find the surface area. Remember that 6a^2 only works for cube because it is made up of 6 identical side areas where you would not find in prisms or pyramids. Good luck :)

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9y ago
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Q: How do you determine the surface area of an object?
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