Bài kiểm tra 45 phút môn Hình học Lớp 8 - Trường THCS Đại Hóa

Trường THCS Đại Hoá
Họ và tên:............................................................
Lớp:.........................................................................
Bài kiểm tra môn hình học 
TC-ND
Thời gian: 45 phút
(Không kể thời gian giao đề)
I. Phần trắc nghiệm 
Hãy khoanh tròn vào chữ cái đầu đáp án mà em cho là đúng?
Câu1: (1 điểm) Cho tam giác ABC đồng dạng với tam giác MPN thì: 
a. 
b. 
c. 
d. 
Câu2: (1,5 điểm) Nếu có: thì:
a. 
b. 
c. 
d. 
Câu3: (1,5 điểm) Cho hình vẽ ta có: 
a. 
b. 
c. 
II. Phần tự luận
Cho hình chữ nhật MNPQ; H là chân đường vuông góc hạ từ M đến NQ; biết MN=a; NP=b;
Chứng minh: và đồng dạng (2,5 điểm)
Tính độ dài MH theo a, b; (2,5 điểm)
Tính diện tích khi a = 6cm; b = 8cm (1 điểm)
Bài làm
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Trường THCS Đại Hoá
Họ và tên:............................................................
Lớp:.........................................................................
Bài kiểm tra môn hình học 
TP-ND 
Thời gian: 45 phút
(Không kể thời gian giao đề)
I. Phần trắc nghiệm 
Hãy khoanh tròn vào chữ cái đầu đáp án mà em cho là đúng trong các đáp án sau?
Câu1: (1 điểm) Cho tam giác ABC đồng dạng với tam giác MPN thì: 
a. 
b. 
c. 
d. 
Câu2: (1,5 điểm) Nếu có: thì
a. 
b. 
c. 
d. 
Câu3: (1,5 điểm) Cho hình vẽ ta có: 
a. 
c. 
b. 
II. Phần tự luận
Cho hình chữ nhật MNPQ; H là chân đường vuông góc hạ từ M đến NQ; biết MN=a; NP=b;
Chứng minh: và đồng dạng (2,5 điểm)
Tính độ dài MH theo a, b; (2,5 điểm)
Tính diện tích khi a = 6cm; b = 8cm (1 điểm)
Bài làm
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......................................................................................................................................................................................................................................................................................................................................................................................................................
......................................................................................................................................................................................................................................................................................................................................................................................................................
Trường THCS Đại Hoá
Họ và tên:............................................................
Lớp:.........................................................................
Bài kiểm tra môn hình học 
TC-TP
Thời gian: 45 phút
(Không kể thời gian giao đề)
I. Phần trắc nghiệm 
Hãy khoanh tròn vào chữ cái đầu đáp án mà em cho là đúng trong các đáp án sau?
Câu1: (1 điểm) Cho tam giác ABC đồng dạng với tam giác MPN thì: 
a. 
b. 
c. 
d. 
Câu2: (1,5 điểm) Nếu có: thì
a. 
b. 
c. 
d. 
Câu3: (1,5 điểm) Cho hình vẽ ta có: 
a. 
c. 
b. 
II. Phần tự luận
Cho hình chữ nhật MNPQ; H là chân đường vuông góc hạ từ P đến NQ; biết MN =a; NP=b;
Chứng minh: và đồng dạng (2,5 điểm)
Tính độ dài PH theo a, b; (2,5 điểm)
Tính diện tích khi a = 6cm; b = 8cm (1 điểm)
Bài làm
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