Câu 24:

Trong mặt phẳng với hệ tọa độ OxyOxy, cho tam giác ABCABCA(1;0),<spanclass="katexdisplay"><spanclass="katex"><spanclass="katexmathml"><mathxmlns="http://www.w3.org/1998/Math/MathML"display="block"><semantics><mrow><mi>B</mi><mrow><mofence="true">(</mo><mrow><mn>2</mn><moseparator="true">;</mo><mo></mo><mn>1</mn></mrow><mofence="true">)</mo></mrow><moseparator="true">,</mo></mrow><annotationencoding="application/xtex">B(2;1),</annotation></semantics></math></span><spanclass="katexhtml"ariahidden="true"><spanclass="base"><spanclass="strut"style="height:1em;verticalalign:0.25em;"></span><spanclass="mordmathnormal"style="marginright:0.05017em;">B</span><spanclass="mspace"style="marginright:0.1667em;"></span><spanclass="minner"><spanclass="mopendelimcenter"style="top:0em;">(</span><spanclass="mord"><spanclass="mord">2</span><spanclass="mpunct">;</span><spanclass="mspace"style="marginright:0.1667em;"></span><spanclass="mord"></span><spanclass="mord">1</span></span><spanclass="mclosedelimcenter"style="top:0em;">)</span></span><spanclass="mspace"style="marginright:0.1667em;"></span><spanclass="mpunct">,</span></span></span></span></span>C(3;5)A\left( {1;0} \right),<span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mi>B</mi><mrow><mo fence="true">(</mo><mrow><mn>2</mn><mo separator="true">;</mo><mo>−</mo><mn>1</mn></mrow><mo fence="true">)</mo></mrow><mo separator="true">,</mo></mrow><annotation encoding="application/x-tex">B\left( {2; - 1} \right),</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;">(</span><span class="mord"><span class="mord">2</span><span class="mpunct">;</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord">−</span><span class="mord">1</span></span><span class="mclose delimcenter" style="top:0em;">)</span></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mpunct">,</span></span></span></span></span>C\left( {3;5} \right). Phương trình của đường cao kẻ từ AA của tam giác ABCABC

1

Câu 24:

Trong mặt phẳng với hệ tọa độ OxyOxy, cho tam giác ABCABCA(1;0),<spanclass="katexdisplay"><spanclass="katex"><spanclass="katexmathml"><mathxmlns="http://www.w3.org/1998/Math/MathML"display="block"><semantics><mrow><mi>B</mi><mrow><mofence="true">(</mo><mrow><mn>2</mn><moseparator="true">;</mo><mo></mo><mn>1</mn></mrow><mofence="true">)</mo></mrow><moseparator="true">,</mo></mrow><annotationencoding="application/xtex">B(2;1),</annotation></semantics></math></span><spanclass="katexhtml"ariahidden="true"><spanclass="base"><spanclass="strut"style="height:1em;verticalalign:0.25em;"></span><spanclass="mordmathnormal"style="marginright:0.05017em;">B</span><spanclass="mspace"style="marginright:0.1667em;"></span><spanclass="minner"><spanclass="mopendelimcenter"style="top:0em;">(</span><spanclass="mord"><spanclass="mord">2</span><spanclass="mpunct">;</span><spanclass="mspace"style="marginright:0.1667em;"></span><spanclass="mord"></span><spanclass="mord">1</span></span><spanclass="mclosedelimcenter"style="top:0em;">)</span></span><spanclass="mspace"style="marginright:0.1667em;"></span><spanclass="mpunct">,</span></span></span></span></span>C(3;5)A\left( {1;0} \right),<span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><semantics><mrow><mi>B</mi><mrow><mo fence="true">(</mo><mrow><mn>2</mn><mo separator="true">;</mo><mo>−</mo><mn>1</mn></mrow><mo fence="true">)</mo></mrow><mo separator="true">,</mo></mrow><annotation encoding="application/x-tex">B\left( {2; - 1} \right),</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="minner"><span class="mopen delimcenter" style="top:0em;">(</span><span class="mord"><span class="mord">2</span><span class="mpunct">;</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mord">−</span><span class="mord">1</span></span><span class="mclose delimcenter" style="top:0em;">)</span></span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mpunct">,</span></span></span></span></span>C\left( {3;5} \right). Phương trình của đường cao kẻ từ AA của tam giác ABCABC là 

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Môn:toan
Cấp độ:lop-10
Mã đề:lop-10-toan
Phần:toán
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Năm:2026
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