Apply the Baudhāyana–Pythagoras Theorem to the right triangles formed by the radii and perpendiculars. Equal radii and equal perpendicular distances give equal half-chords. Hence, the complete chords are equal.
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Equal perpendicular distances from the centre imply that the two chords are equidistant from the centre. By Theorem 7, chords equidistant from the centre of a circle are equal. Therefore, AB = GF.
Using the Baudhāyana–Pythagoras Theorem, equal chords with equal radii give equal perpendicular distances from the centre. Hence, chords of equal length are always equidistant from the centre of the circle.
India’s rainfall pattern is governed by two seasonal monsoon winds that blow in opposite directions during different times of the year. These winds have differing origins, moisture content, and effects on rainfall across various regions of the country.
The troposphere and stratosphere are the two layers closest to the Earth’s surface, but they differ greatly in terms of height, temperature behaviour, and the phenomena that occur within them.