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Revision difference : explementary |
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Version 4 |
| The {\em explementary arc} of an arc $a$ of a circle is the arc forming together with $a$ the full circle. |
The {\em explementary arc} of an arc $a$ of a circle is the arc forming together with $a$ the full circle. |
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| Two angles are called {\em explementary angles} of each other, if their sum is the {\em full angle} $2\pi$, i.e. $360^\circ$. In the below picture, the \PMlinkescapetext{interior angle} \,$\alpha = 60^\circ$\, of an equilateral triangle and its explementary angle\, $\beta = 300^\circ$\, (which is an \PMlinkescapetext{exterior angle} of the triangle) are seen. |
Two angles are called {\em explementary angles} of each other, if their sum is the {\em full angle} $2\pi$, i.e. $360^\circ$. In the below picture, the \PMlinkescapetext{interior angle} \,$\alpha = 60^\circ$\, of an equilateral triangle and its explementary angle\, $\beta = 300^\circ$\, (which is an \PMlinkescapetext{exterior angle} of the triangle) are seen. |
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\pspolygon(-1.5,0)(1.5,0)(0,2.6) |
| \psarc(0,2.6){0.2}{-60}{240} |
\psarc(0,2.6){0.2}{-60}{240} |
| \rput[a](0,2.2){$\alpha$} |
\rput[a](0,2.2){$\alpha$} |
| \rput[a](-0.2,2.9){$\beta$} |
\rput[a](-0.2,2.9){$\beta$} |
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| \end{pspicture} |
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| \end{center} |
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