Choose a polygon, and reshape it by dragging the vertices to new locations. As the figure changes shape, the angle measures will automatically update. Animation: For triangles and quadrilaterals, you ...

Gross margin measures the percentage of revenue after direct costs are subtracted. Calculating gross margin involves subtracting COGS from revenue and dividing by total revenue. High gross margin ...

Uber's stock rose above $90 by 2025 after a low during the COVID pandemic. Uber first posted a profit in Q2 2023, despite a rocky initial performance post-IPO. Uber is part of the S&P 500 as of ...

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This file provides functions and modules that construct shapes from a list of cross sections. In the case of skin() you specify each cross sectional shape yourself, and the number of points can vary.

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...