Hình tứ giác
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</div><p></p> <p style="text-align: center;">Đây là các hình tứ giác</p> <h3 id="1trong-caacutec-higravenh-sau-higravenh-nagraveo-lagrave-higravenh-tu-giaacutec">1.Trong các hình sau, hình nào là hình tứ giác?</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-185113-1664711478.png.webp" width="605" height="109" alt="hinh-anh-hinh-tu-giac-1160-1" title="hinh-anh-hinh-tu-giac-1160-1" loading="lazy"></p> <h3 id="2-chi-ra-nhung-higravenh-tu-giaacutec-em-nhigraven-thay-trong-moi-higravenh-sau">2. Chỉ ra những hình tứ giác em nhìn thấy trong mỗi hình sau:</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-185210-1664711536.png.webp" width="530" height="169" alt="hinh-anh-hinh-tu-giac-1160-2" title="hinh-anh-hinh-tu-giac-1160-2" loading="lazy"></p> <h3 id="3-higravenh-vuocircng-sau-duoc-gheacutep-tu-caacutec-manh-bigravea-nagraveo">3. Hình vuông sau được ghép từ các mảnh bìa nào?</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-185309-1664711594.png.webp" width="533" height="215" alt="hinh-anh-hinh-tu-giac-1160-3" title="hinh-anh-hinh-tu-giac-1160-3" loading="lazy"></p> <h3 id="4">4.</h3> <p>Bạn voi muốn sơn màu xanh da trời vào các mảnh ghép hình tứ giác. Em hãy chỉ giúp bạn Voi những mảnh ghép hình tứ giác.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-185440-1664711695.png.webp" width="412" height="183" alt="hinh-anh-hinh-tu-giac-1160-4" title="hinh-anh-hinh-tu-giac-1160-4" loading="lazy"></p> <h3 id="5nbsp">5.&nbsp;</h3> <p>a) Người Mông thường sử dụng đá để làm tường rào xung quanh ngôi nhà của mình. Em có nhìn thấy hình ảnh của hình tứ giác trên bức tường đá trong bức tranh sau không?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-185625-1664711790.png.webp" width="582" height="208" alt="hinh-anh-hinh-tu-giac-1160-5" title="hinh-anh-hinh-tu-giac-1160-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p>b) Tìm một số đồ vật trong thực tế có hình dạng hình tứ giác.</p>