A pyramid has 6 angles, 8 faces, and 6 edges. Is that right?
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A square pyramid has 16 angles.
20 angles
A triangular-based pyramid has a total of six angles. Each of the three triangular faces has three angles, totaling nine angles. However, three of these angles are shared at the base of the pyramid, resulting in a total of six unique angles in a triangular-based pyramid.
No angles are larger than 90 degrees in a square based pyramid.
A triangle-based pyramid has one right angle at the apex where the three triangular faces meet. This right angle is formed by the intersection of the base of the pyramid and one of its slant edges. The other angles in a triangle-based pyramid are typically acute angles formed by the base and the slant edges.