The surface area of the pyramid with square base and four triangles will be 640 mm.
<h3>What is a pyramid?</h3>
A pyramid is a geometrical three-dimensional shape, which has a base of 360 degrees and the sides have an area of 270 degrees each.
The surface area of pyramid using given information can be calculated as,
Surface Area= 10 × 8 × 8 mm
This will be calculated as 640 mm.
Hence, the surface of the pyramid is given above.
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<em>strong excitement about something : a strong feeling of active interest in something that you like or enjoy. : something causing a feeling of excitement and active interest : a hobby that someone feels enthusiastic about. See the full definition for enthusiasm in the English Language Learners Dictionary. enthusiasm.</em>