Bài 6: Hình thoi
Bài 3 trang 115 Toán 8 Tập 1
<p><strong>B&agrave;i 3 trang 115 To&aacute;n 8 Tập 1:&nbsp;</strong>Cho h&igrave;nh thoi ABCD c&oacute;&nbsp;<span id="MathJax-Element-1-Frame" class="mjx-chtml MathJax_CHTML" style="box-sizing: border-box; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: normal; font-size: 21.78px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; position: relative;" tabindex="0" role="presentation" data-mathml="&lt;math xmlns=&quot;http://www.w3.org/1998/Math/MathML&quot;&gt;&lt;mover accent=&quot;true&quot;&gt;&lt;mrow&gt;&lt;mi&gt;C&lt;/mi&gt;&lt;mi&gt;D&lt;/mi&gt;&lt;mi&gt;B&lt;/mi&gt;&lt;/mrow&gt;&lt;mo&gt;^&lt;/mo&gt;&lt;/mover&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;mn&gt;40&lt;/mn&gt;&lt;mo&gt;&amp;#xB0;&lt;/mo&gt;&lt;/math&gt;"><span id="MJXc-Node-1" class="mjx-math" aria-hidden="true"><span id="MJXc-Node-2" class="mjx-mrow"><span id="MJXc-Node-3" class="mjx-mover"><span class="mjx-stack"><span class="mjx-over"><span id="MJXc-Node-8" class="mjx-mo"></span></span></span></span></span></span><math xmlns="http://www.w3.org/1998/Math/MathML"><mover><mrow><mi>C</mi><mi>D</mi><mi>B</mi></mrow><mo>^</mo></mover><mo>=</mo><mn>40</mn><mo>&#176;</mo></math><math xmlns="http://www.w3.org/1998/Math/MathML"><mo></mo></math></span>. T&iacute;nh số đo mỗi g&oacute;c của h&igrave;nh thoi ABCD.</p> <p><strong>Lời giải:</strong></p> <p><img src="https://vietjack.com/toan-8-cd/images/bai-3-trang-115-toan-lop-8-tap-1.PNG" alt="B&agrave;i 3 trang 115 To&aacute;n 8 Tập 1 C&aacute;nh diều | Giải To&aacute;n 8" /></p> <p><img class="wscnph" style="max-width: 100%;" src="https://static.colearn.vn:8413/v1.0/upload/library/04082023/screenshot_1691135880-P18Sa2.png" /></p>
Xem lời giải bài tập khác cùng bài