A student draws unit on the number line

MATHEMATICS · Single correct · CBSE · Mathematics · The Baudhayana-Pythagoras Theorem · The Baudhayana-Pythagoras Theorem

Problem

A student draws OA=1OA = 1 unit on the number line. At AA she erects a perpendicular AB=1AB = 1 unit and joins OBOB. Keeping centre OO and radius OBOB, she marks point PP on the number line. Which number does PP represent? (a) 5\sqrt5 (b) 4\sqrt4 (c) 2\sqrt2 (d) 3\sqrt3

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