Cho tam giác \(ABC\) vuông tại \(A.\) Biết \(BC = 10cm,\;\;AC = 8cm.\)
a) Tính cạnh \(AB.\)
b) Kẻ đường cao \(AH.\) Tính \(BH.\)
A.\(\begin{array}{l}a)\,AB = 6cm\\b)\,AH = 4,8cm,\,\,BH = 3,6cm\end{array}\)
B.\(\begin{array}{l}a)\,AB = 7cm\\b)\,AH = 5,8cm,\,\,BH = 3,6cm\end{array}\)
C.\(\begin{array}{l}a)\,AB = 8cm\\b)\,AH = 4,8cm,\,\,BH = 3,6cm\end{array}\)
D.\(\begin{array}{l}a)\,AB = 6cm\\b)\,AH = 3,6cm,\,\,BH = 4,8cm\end{array}\)
a) Tính cạnh \(AB.\)
b) Kẻ đường cao \(AH.\) Tính \(BH.\)
A.\(\begin{array}{l}a)\,AB = 6cm\\b)\,AH = 4,8cm,\,\,BH = 3,6cm\end{array}\)
B.\(\begin{array}{l}a)\,AB = 7cm\\b)\,AH = 5,8cm,\,\,BH = 3,6cm\end{array}\)
C.\(\begin{array}{l}a)\,AB = 8cm\\b)\,AH = 4,8cm,\,\,BH = 3,6cm\end{array}\)
D.\(\begin{array}{l}a)\,AB = 6cm\\b)\,AH = 3,6cm,\,\,BH = 4,8cm\end{array}\)
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Hóa Học lớp 12
