Prove two triangles are congruent by showing they satisfy one of four criteria. Find missing lengths by using the scale factor. The relationship between similar shapes may be expressed as a ratio.

Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...

This important study reports three experiments examining how the subjective experience of task regularities influences perceptual decision-making. Although the evidence linking subjective ratings to ...

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Durham startup scores $13M on heels of Kroger expansion With the start of the new year, Preserving Home is building on a new chapter… Windjam Companies is a privately held, Cary-based parent company ...

Understanding different types of angles and that angles in a triangle sum to 180° can be helpful when classifying a triangle. Recognising line symmetry and rotational symmetry will also help. Look for ...

On December and January evenings, Orion rises early and dominates the southern sky by mid-evening, making him the easiest winter landmark. Look southeast for three bright stars in a short, straight ...

The programs below illustrate examples of creating WebGL graphics almost entirely in Zig. These examples are based on the work of Scott Redig's zig-javascript-bridge repo, which enables javascript ...

Some standard modules for making 3d shapes with attachment support, and function forms that produce a VNF. Also included are shortcuts cylinders in each orientation and extended versions of the ...