If \( | \overrightarrow a | = 10, | \overrightarrow b | = 15 \) and the angle between the vector \( \overrightarrow a \: and \: \overrightarrow b \: is \:45^{\circ}, \) then find \( \overrightarrow a.\overrightarrow b\).

• cbse
• class12
• modelpaper
• 2012
• sec-a
• q7
• math

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asked Jan 27, 2013 by thanvigandhi_1
edited Jul 24, 2013 by sreemathi.v

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