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प्रश्न
The area of triangle ABC in which c = 8 , b = 3, ∠A = 60° is ______
विकल्प
`1/2`
`3sqrt3`
`sqrt3/2`
`6sqrt3`
MCQ
रिक्त स्थान भरें
उत्तर
The area of triangle ABC in which c = 8 , b = 3, ∠A = 60° is `underline(6sqrt3)`.
Explanation:
We have, c = 8, b = 3, ∠A = 60°
Area of triangle = `1/2` bcsinA
= `1/2`(3)(8) sin 60° = `6sqrt3`
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Vector Product of Vectors (Cross)
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