The Science of the Shulba: A Study in Early Hindu Geometry c10.13
The Science of the Śulba: A Study in Early Hindu Geometry c10.13
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c10.13
(*a*) Take two points (*B*, *C*) on the given straight line (*BC*) at equal distance from the given point (*A*). With centre *B* and radius *BC* describe a circle. Similarly with centre *C* and radius *CB* describe another circle. Let *D* and *E* be the points of intersection of these two circles. Join *AD* or *AE* or *DE*. Then this straight line will be at right angles to the given straight line *BC* at *A*.