TOÁN 9A2HỆ THỨC LƯỢNG TRONG TAM GIÁC VUÔNG
Quiz
•
Mathematics
•
9th Grade
•
Hard
ĐÀM THỊ HỒNG NHUNG
Used 10+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho tam giác ABC có AH là đường cao xuất phát từ A (H thuộc BC) hệ thức nào dưới đây chứng tỏ DABC vuông tại A.
BC2 = AB2 + AC2
AH2 = HB. HC
AB2 = BH. BC
A, B, C đều đúng
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho tam giác ABC có AH là đường cao xuất phát từ A (H thuộc BC). Nếu góc BAC= 90 độ thì hệ thức nào dưới đây đúng:
AB2 = AC2 + CB2
AH2 = HB. BC
AB2 = BH. BC
Không câu nào đúng
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn đáp án đúng:
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Xem hình bên trên. Công thức nào là đúng?
5.
MULTIPLE CHOICE QUESTION
30 sec • 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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho tam giác ABC vuông tại A, đường cao AH. Biết AH = 6cm, CH = 4cm, độ dài đoạn BH bằng
1,5 cm.
2 cm.
9 cm.
10 cm.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xem hình trên:
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