If $$\left| {\overrightarrow a } ight| = 2,\left| {\overrightarrow b } ight| = 5$$ and $$\left| {\overrightarrow a imes \overrightarrow b } ight|$$ = 8, then $$\left| {\overrightarrow a .\,\overrightarrow b } ight|$$ is equal to :

Question

If $$\left| {\overrightarrow a } ight| = 2,\left| {\overrightarrow b } ight| = 5$$ and $$\left| {\overrightarrow a  	imes \overrightarrow b } ight|$$ = 8, then $$\left| {\overrightarrow a .\,\overrightarrow b } ight|$$ is equal to :

Accepted Answer

Correct answer: A

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