✨ Best Answer ✨
BC=5×tan50°=5×1.191...=5.95...≒6.0m
sinA=3/10=0.3
A=17°
BC=6.0m
と
A=17°
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✨ Best Answer ✨
BC=5×tan50°=5×1.191...=5.95...≒6.0m
sinA=3/10=0.3
A=17°
BC=6.0m
と
A=17°
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