Làm câu nào thì làm nhá:<<<Cho (O,R) có AB là đường kính của (O,R). Kẻ d1 và d2 lần lượt là tiếp tuyế...

Ling ling 2k7

28 tháng 7 2021

Làm câu nào thì làm nhá:<<<

Cho (O,R) có AB là đường kính của (O,R). Kẻ d1 và d2 lần lượt là tiếp tuyến (O,R) tại A và B. Lấy C trên (O,R) sao cho C khác A,B. Kẻ d3 là tiếp tuyến (O,R) tại C, d3 cắt d1 tại D và cắt d2 tại E

1) DE=AD+BE

#Toán lớp 9

anh thị đào

28 tháng 7 2021

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	</div>
	</a>
	</li>
	</ul>
	</div>
	</div>
	<div class="column is-hidden-mobile is-hidden-tablet-only" id="header-column-category">
	<p class="menu-label">Chủ đề / Chương</p>
	<div class="is-scroll">
	<ul class="menu-list" id="header-view-category"></ul>
	</div>
	</div>
	<div class="column is-hidden-mobile is-hidden-tablet-only" id="header-column-lesson">
	<p class="menu-label">Bài học</p>
	<div class="is-scroll">
	<ul class="menu-list" id="header-view-lesson"></ul>
...

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