Chapter 10 · Contemporary Math
Geometry
Points, lines and planes, angles, triangles, polygons and circles, tessellations, area, volume and surface area, and right-triangle trigonometry.
140 of the 311 problems this chapter sets.
Sections
140 problems in your runThe whole chapter
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Contemporary Mathematics: Access for free at https://openstax.org/books/contemporary-mathematics/pages/1-introduction