It AB and CD are the perpendicular diameters of a circle then find AC
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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 = = unitsAnswer:
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combination reaction is one in which two or more reactants combine to form a single product. Examples: Formation of calcium oxide by the combination elements calcium and oxygen. 2Ca + O 2 → 2CaO. Formation of ammonia by the combination of elements nitrogen and hydrogen.
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