
Định lý Pytago
Authored by Dũng Lê
Mathematics
7th Grade
Used 218+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tính cạnh góc vuông của một tam giác vuông biết cạnh huyền bằng 13cm, cạnh góc vuông kia bằng 12cm.
5 cm
25 cm
313 cm
cm
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho tam giác nhọn ABC. Kẻ AH vuông góc với BC. Tính chu vi tam giác ABC biết AC=20cm,AH=12cm,BH=5cm.
49cm
54cm
37cm
38cm
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tính đường chéo của một mặt bàn hình chữ nhật có chiều dài 10dm, chiều rộng 5dm.
dm
dm
75 dm
125 dm
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tính độ dài các cạnh góc vuông của một tam giác vuông cân có cạnh huyền bằng cm.
1 cm
2 cm
cm
cm
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hãy chọn ra các bộ ba có thể là độ dài ba cạnh của một tam giác vuông.
5, 12, 13
2, 3, 4
9, 12, 14
8, 15, 18
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dựa vào hình vẽ, Tìm x.
12 cm
cm
69 cm
cm
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho ba tam giác có độ dài như sau:
ΔABC: 7,2cm; 9,6cm; 13cm
ΔHIK: 9cm; 12cm; 16cm
ΔEFD: 12cm; 16cm; 20cm
Trong ba tam giác đã cho, tam giác nào là tam giác vuông?
ΔABC
ΔHIK
ΔEFD
Không có tam giác nào vuông
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