HỆ THỨC LƯỢNG
Quiz
•
Mathematics
•
9th Grade
•
Medium
Tuan Tan
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hai cạnh góc vuông của tam giác vuông là 15, 20. Dường cao ứng với cạnh huyền là:
15
20
25
12
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chọn đáp án đúng:
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Xem hình bên trên. Công thức nào là đúng?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho tam giác ABC vuông tại A, đường cao AH. Biết BH=9cm, CH=16cm, độ dài cạnh AB bằng
15
20
25
7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Xem hình trên:
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho tam giác ABC vuông tại A. Hệ thức đúng là
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho tam giác ABC vuông tại A, đường cao AH. Khi đó hệ thức nào SAI?
AH2 = BH.CH
AB.AC = BC.AH
AC2 = BH.BC
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