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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.
a coordinate plane
A pyramid has 6 angles, 8 faces, and 6 edges. Is that right?
Perpendicular lines formed right angles.
A perpendicular line is formed when two lines meet at a right angle. Opposite angles in a perpendicular line are parallel to each other.
A square...!?!
A pentagonal prism has 10 right angles, formed from perpendicular edges. It has one for each angle made when a face meets a base. Since it has 5 faces and 2 bases, there are 10 right angles.
Coordinate Plane
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.
Octagon.
That would be a rectangle.
a coordinate plane
Right angles (or 90 degrees).
A pyramid has 6 angles, 8 faces, and 6 edges. Is that right?
A regular octagon.
Yes because they meet at right angles
Normally four but there could be six if the opposite edges at the apex met at right angles.