Question

Frm the adjacent figure,find BC​

Answer 1

Step-by-step explanation:

BC = AC cos 60° = 10 cos 60° = 5

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Answer 2

$\large\mathscr \color{black}\colorbox{red}{\colorbox{orange}{\colorbox{yellow}{\colorbox{green}{\colorbox{blue}{\colorbox{indigo}{\colorbox{violet}{\underline {ANSWER}}}}}}}}$

$\large\tt\color{pink}{sin30°=\frac{BC}{AC}=\frac{BC}{10}}\\\\\implies\large\tt\color{pink}{\frac{1}{2}=\frac{BC}{10}}\\\\\implies\large\tt{BC=\color{lime}{ \underline{ \underline{\bf{5}}}}}$