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Giải vở bài tập Toán Hình học 7 chương I bài 2: Hai đường thẳng vuông góc - Luyện tập

Chủ nhật - 27/10/2019 12:51
Hướng dẫn Giải vở bài tập Toán Hình học 7 chương I bài 2: Hai đường thẳng vuông góc - Luyện tập
Bài 6.
giai vbt toan hinh hoc 7 bai 2 cau 6
Bài 7:
Trình tự vẽ hình như sau:
Vẽ đoạn thẳng CD dài 3cm.
Trên tia CD vẽ đoạn thẳng CI dài l,5cm. Vẽ đường thẳng xy vuông góc với CD tại I. xy là dường trung trực của đoạn thẳng CD.
giai vbt toan hinh hoc 7 bai 2 cau 7
LUYỆN TẬP
Bài 8:
giai vbt toan hinh hoc 7 bai 2 cau 8
Bài 9.
a) Trường hợp ba điểm A, B, C không thẳng hàng.
giai vbt toan hinh hoc 7 bai 2 cau 9
b) Trường hợp ba điểm A, B, C thẳng hàng.
giai vbt toan hinh hoc 7 bai 2 cau 9b
Bài 10:
giai vbt toan hinh hoc 7 bai 2 cau 10
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