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mathnstuff.com/math/precalc/MAT129fa25/p.12.htm © 2025 A2, Agnes Azzolino Angles and their measures, Text 7.1 , PG. 576 |
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7.1 - pg 576, Learning Objectives * Draw angles in standard position. * Convert between degrees and radians. * Find coterminal angles. * Find the length of a circular arc. * Use linear and angular speed to describe motion on a circular path.Vocabulary
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11. Circle's arcs and sectors from the
function & computation page Though
radians make these formulas MUCH easier and clearer, this part of the page uses only degrees to measure angles and builds the conversion from degree to radian into the formulas. In the list of units shown below and the other images, the conversion formula is visible.
The
radians page also has a calculator to convert from radians (based on a circle's angle measure of 2
![]() For the full story, see Arc Formulas and Rational, and Sector Formulas and Rational. Click on the image below to see an enlargement of the formulas that are used here. ![]() ![]() |
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