vertical angles

British  

plural noun

1. Also called: vertically opposite angles.  geometry the pair of equal angles between a pair of intersecting lines; opposite angles

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vertical angles Scientific  

/ vûr′tĭ-kəl /

1. Two angles formed by two intersecting lines and lying on opposite sides of the point of intersection.

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Example Sentences

In his 'Vertical Horizon' project, the 26-year-old Frenchman captures the city's vertical angles.

From The Wall Street Journal

He does not see why vertical angles should be proved equal when he knows that they are so by looking at the figure.

From Project Gutenberg

The uncertainties of terrestrial refraction render it impossible to determine accurately by vertical angles the heights of distant points.

From Project Gutenberg

During the tests researchers will use theodolites, surveying instruments that measure horizontal and vertical angles.

From Forbes

When much accuracy is not required vertical angles can be measured by means of a quadrant of simple construction.

From Project Gutenberg