Question 16. In the given figure find the value of BC
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Answer:
your answer is
180°
Step-by-step explanation:
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Answer:
BC=126.188m
Step-by-step explanation:
AB=DC=80m
ΔDEC=45°
ΔABE=60°
ΔDEC
tan45°=DC/CE
1=80/CE
CE=80
ΔABE
tan60°=AB/BE
√3=80/BE
BE√3=80
BE=80/√3
BE=46.188m
so, BE+EC=80+46.188
BC=126.188m
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