doandiem198301 doandiem198301

21-10-2021
Mathematics

contestada

Cho tam giác ABC vuông tại A có cạnh BC=10 AC=8 tính cạnh AB

Respuesta :

catkute99 catkute99

21-10-2021

Answer:

AB = 6

Step-by-step explanation:

Áp dụng định lý Pytago, ta có:

AB^2 + AC^2 = BC^2

=> AB = [tex]\sqrt{BC^{2}-AC^2 }[/tex]

[tex]=\sqrt{10^2 - 8^2} \\= \sqrt{100 - 64} \\= \sqrt{36} \\= 6[/tex]

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