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Flashcards Mathematics Year 10

Surface Area

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What units are used for surface area?
Surface area is measured in square units (e.g., square meters, square centimeters).
What is the surface area of a triangular prism?
The surface area $A$ is $A = bh + (l_1 + l_2 + l_3)h$, where $b$ is the base length, $h$ is the height, and $l_1, l_2, l_3$ are the lengths of the triangular sides.
What parameters do you need for calculating the surface area of a cone?
You need the radius $r$ and the slant height $l$ of the cone.
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