Giải vở bài tập Toán Hình học 7 chương I bài 3: Hai đường thẳng vuông góc - Luyện tập

Thứ hai - 28/10/2019 04:12
Hướng dẫn Giải vở bài tập Toán Hình học 7 chương I bài 3: Hai đường thẳng vuông góc - Luyện tập
Các góc tạo bởi một đường thẳng cắt hai đường thẳng

giai vbt toan hinh hoc 7 bai 3 cau 11
Bài 12.
a) là một cặp so le trong.
b) là một cặp góc đồng vị.
c) là một cặp góc đồng vị
d) là một cặp góc so le trong.

Bài 13:
giai vbt toan hinh hoc 7 bai 3 cau 13
a. Hai góc so le trong còn lại bằng nhau
b. Hai góc đồng vị trong mỗi cặp bằng nhau.
c. Hai góc trong cùng phía bù nhau.

Bài 14:
a.
giai vbt toan hinh hoc 7 bai 3 cau 14

b. 33, 11.
c. 44

Bài 15: 
giai vbt toan hinh hoc 7 bai 3 cau 15
giai vbt toan hinh hoc 7 bai 3 cau 15b
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