A) 152 cm
B) 76 cm
C) 38 cm
D) \[38\sqrt{3}cm\]
Correct Answer: A
Solution :
\[\cos 60{}^\circ =\frac{h}{l}\] Þ\[l=\frac{h}{\cos 60{}^\circ }=\frac{76}{1/2}\] \ \[l=152\ cm\]You need to login to perform this action.
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