Question

1. If AB, CD are two perpendicular diameters of a circle then AC =
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Answer 1

Answer:

The diameter AB and CD are perpendicular to each other so they intersect each other at center let take it O. 3) So ΔAOC will be isosceles right angled triangle where OA and OC are the radius of the circle which is R unit. 4) By the Pythagoras theorem AC = = units. 5) Now AB /√2 = 2R/√2 = units.