Tài liệu 100 Câu Trắc Nghiệm Bài Toán Thực Tế Liên Quan Đến Hình Học. Phân loại: Phổ thông > Toán > Lớp 12. Chủ đề: Toán, Toán 12. Có bản xem trước trang đầu dạng HTML và PDF để tham khảo nội dung.

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.document-html-preview--word div.Section0{page:Section0;}</style><div class="document-html-preview__page document-html-preview__page--word" data-page="1">TR&#7854;C NGHI&#7878;M B&#192;I TO&#193;N TH&#7920;C T&#7870; LI&#202;N QUAN &#272;&#7870;N H&#204;NH H&#7884;C<o:p></o:p>&nbsp;A. N&#7897;i dung ki&#7871;n th&#7913;c.<o:p></o:p>&nbsp;B&#224;i to&#225;n th&#7921;c t&#7871; li&#234;n quan &#273;&#7871;n h&#236;nh h&#7885;c th&#432;&#7901;ng xoay quanh m&#7897;t s&#7889; n&#7897;i dung nh&#432; sau: T&#237;nh to&#225;n &#273;&#7875; &#273;&#432;&#7901;ng &#273;i &#273;&#432;&#7907;c ng&#7855;n nh&#7845;t, t&#237;nh to&#225;n &#273;&#7875; di&#7879;n t&#237;ch &#273;&#432;&#7907;c l&#7899;n nh&#7845;t, hay c&#361;ng c&#243; th&#7875; &#273;&#417;n gi&#7843;n l&#224; t&#237;nh di&#7879;n t&#237;ch ho&#7863;c th&#7875; t&#237;ch c&#7911;a m&#7897;t v&#7853;t… <o:p></o:p>Ta ch&#250; &#253; m&#7897;t s&#7889; ki&#7871;n th&#7913;c sau:<o:p></o:p>&nbsp;1. C&#244;ng th&#7913;c t&#237;nh chu vi, di&#7879;n t&#237;ch c&#7911;a c&#225;c h&#236;nh, th&#7875; t&#237;ch c&#7911;a c&#225;c kh&#7889;i h&#236;nh. <o:p></o:p>* H&#236;nh tam gi&#225;c: Cho tam gi&#225;c ABC &#273;&#432;&#7901;ng cao AH, &#273;&#7863;t a = BC, b = CA, c = AB, h = AH.<o:p></o:p>Chu vi tam gi&#225;c l&#224; : P = a + b + c.<o:p></o:p>Di&#7879;n t&#237;ch tam gi&#225;c l&#224; :<o:p></o:p><img width="289" height="139" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/1c12e06d3fb442/html-preview-assets/c85efe92239314add20f.png" ><o:p>&nbsp;</o:p><img width="309" height="41" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/1c12e06d3fb442/html-preview-assets/7553e139075468030207.png" >&nbsp;<o:p></o:p>( v&#7899;i <img width="45" height="41" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/1c12e06d3fb442/html-preview-assets/867d75f6de8d28f3fb3d.png" >).<o:p></o:p><o:p>&nbsp;</o:p>* H&#236;nh qu&#7841;t: X&#233;t h&#236;nh qu&#7841;t OAB c&#243; b&#225;n k&#237;nh R, g&#243;c &#7903; t&#226;m b&#7857;ng<img width="16" height="15" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/1c12e06d3fb442/html-preview-assets/81c83441ef08367aed96.png" >&nbsp;(t&#237;nh theo radian). <o:p></o:p><img width="200" height="182" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/1c12e06d3fb442/html-preview-assets/4e59bca01fdf57084a4c.png" align="left" hspace="12" ><o:p>&nbsp;</o:p>Chu vi c&#7911;a h&#236;nh qu&#7841;t l&#224; :<img width="161" height="41" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/1c12e06d3fb442/html-preview-assets/0251806fca0171d5256b.png" >&nbsp;<o:p></o:p>Di&#7879;n t&#237;ch c&#7911;a h&#236;nh qu&#7841;t l&#224; : <img width="172" height="41" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/1c12e06d3fb442/html-preview-assets/2d3418efb877632ba623.png" ><o:p></o:p><o:p>&nbsp;</o:p>* H&#236;nh n&#243;n, kh&#7889;i n&#243;n: <o:p></o:p></div></section>

Toán

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100 Câu Trắc Nghiệm Bài Toán Thực Tế Liên Quan Đến Hình Học

DẠY 2 BÉ LỚP 10 VÀ LỚP 12 MÔN TOÁN

100 Câu Trắc Nghiệm Bài Toán Thực Tế Liên Quan Đến Hình Học

1 giây trước

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