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Q: What is a solid figure that has one of something that is a polygon and three or more faces that are triangles with a common vertex?

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A pyramid.

A pyramid is a solid figure with one face that is a polygon and three or more faces that are triangles with a common vertex. Yeah, pg. 114 in the math workbook is a little hard, and the guy who answered this before me thought it was funny to improve the answer by saying the answer was 45. That's just not mature. I don't get it. Anyway, I hope you finish your homework at this rate.

540 degrees. you figure it out by seeing how many triangles you can make in the polygon (without crossing lines), and, because triangles equal 180 degrees, you multiply 180 times how many triangles you can make.

A polygon. E.g triangles , sqares ,pentagon .

Yes, all triangles are polygons. A polygon is any plane figure bounded only by straight lines. Thus a triangle is a polygon with three sides. Similarly, a quadrilateral is a polygon with four sides, a pentagon is a polygon with five sides, and so on.

A polygon is a plane figure bounded by a finite number of straight lines. To enclose an area then a minimum of three straight lines are required. All triangles, not just isosceles triangles, are polygons.

Well, for it to be a polygon it has to have: 1. Have straight sides ( circle is not a polYgon) 2. Have connect lines to form a figure 3. Must at least have 3 lines( triangles a polygon)

a rectangular pyramid and a square pyramid

Yes, because the number of triangles that are formed in a polygon is 2 less than the numbers of its sides.

It is a polygonal pyramid.

The word polygon means a many sided plane figure or shape. Triangles, squares, pentagons and so on are all polygons. A Parallelogram is a special kind of 4-sided figure and is a polygon.

Yes, a pentagon is a polygon "Polygon" is a general term. Any figure that is closed, lies in a plane, and has straight edges are polygons. This includes rectangels, squares, triangles etc.

A polygon is usually defined as a plane figure bounded by straight line segments. Any figure which does not correspond to this definition would be a non-polygon. For example, triangles, rectangles, squares, and even star shapes are called polygons. A circle, semicircle or oval is not a polygon. The have curved boundaries.

A polygon. It has to have straight sides, so that it can be divided into triangles.

No. In geometry a polygon is a plane (flat) figure that is bounded by a closed path or circuit, composed of a finite sequence of straight line segments. Thus a polygon can have many sides, only that subset of polygons with 3 sides are triangles.

Polygon simply means a many-sided figure. It doesn't specify how many sides. So, for example, triangles, squares, rectangles, rhomboids, pentagons, hexagons, and so on are all polygons.

The simplest pattern is 2n+1, so the 16th figure will have 33 triangles. Of course, if you are creating new triangles and also keeping the old triangles, this would be different.

They are both polygon. If you cut a rectangle diagonally, you will have two triangles. And if you want to figure out the area of a right triangle, you can treat it as a rectangle and then cut your calculation in half to get the correct answer.