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In any triangle ABC, if a=\ 18 , b=\ 24 ...

In any triangle ABC, if `a=\ 18 , b=\ 24 , c=\ 30`, findsinA, sinB, sinC

A

43835

B

43895

C

43866

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
`2s=a+b+c=18+24+30=72`
`therefores=36`
`thereforesinA=(2)/(bc)sqrt(s(s-a)(s-b)(s-c))`
`=(2)/((24)(30))`
`sqrt(36(36-18)(36-24)(36-30))=(3)/(5)`
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