DOODY!
there are 5
19 corners as well.
Eight sided.....
A trapezium has 4 corners and it is a 4 sided quadrilateral
4
5 faces.... one at the bottom and four around the sides
five, four from the base and one from the very top of the pyramid.
four sides and four corners
There are four corners on a square.
It has 5 corners if it is a 3D shape like a piramid but if it is 2D it is 3
A pyramid with an n-sided base will have n + 1 vertices, n + 1 faces, and 2n edges.
A triangular based pyramid has four faces, four veritices, and six edges.