What is the perimeter of the triangle if a = 8cm, b = 6cm, c = 6cm?
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The sides of a triangle are a, b and c respectively. What is the perimeter of the triangle if a = 5cm, b = 4cm, and c = 3cm? Answer: The perimeter of the triangle is cm.
Bài thi số 2Điền kết quả thích hợp vào chỗ (...): 19:34Fill in the blank with the suitable numberCâu 1:There were 5256 people in a commune. After a year, the population increased by 79. One year later, it increased further by 71. How many people are there in total after 2 years?Answer: people.Câu 2:Find the value of y such that y - 305 545.Answer: y Câu 3:The sides of a triangle are a, b and c respectively.What is the perimeter of the triangle if a 8cm, b 6cm, c 6cm?Answer: The perimeter o...
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Bài thi số 2
Điền kết quả thích hợp vào chỗ (...):
19:34
Fill in the blank with the suitable number
Câu 1:
There were 5256 people in a commune. After a year, the population increased by 79. One year later, it increased further by 71. How many people are there in total after 2 years?
Answer: people.
Câu 2:
Find the value of y such that y - 305 = 545.
Answer: y =
Câu 3:
The sides of a triangle are a, b and c respectively.
What is the perimeter of the triangle if a = 8cm, b = 6cm, c = 6cm?
Answer: The perimeter of the triangle is cm.
Câu 4:
A fund received 75500000 VND on the first day, 85950000 VND on the second day and 14500000 VND on the third day. How much money did the fund receive altogether?
Answer: The fund received VND altogether.
Câu 5:
The sum of the ages of the father and his son is 58. The father is 38 years older than his son. How old is the father?
Answer: The father is years old.
Câu 6:
The perimeter of a rectangle is 32cm. The length is 4cm longer than the width. What is its area?
Answer: Its area is .
Câu 7:
The sum of the ages of the mother and her son is 60. The mother is 38 years older than her son. How old is the mother?
Answer: The mother is years old.
Câu 8:
In a café, there were 267 adults and 123 teenagers. If each of them spent 8 dollars then they spent dollars in all.
Câu 9:
If A - B = 8 and the average of A and B is 7 then A =
Câu 10:
On a Christmas tree, there are 45 glass stars and 26 golden balls. Each glass star costs 4 dollars while a golden ball costs 3 more dollars than a glass star. What is the total cost of the glass stars and golden balls?
Answer: The total cost is dollars.
đây là đề thi toán tiếng anh lớp 4 vòng 6 đó!
Câu 1 : 5406
Câu 2 : 850
Câu 3 : 20
Câu 4 : 107950000
Câu 5 : 48
Câu 6 : 60
Câu 7 : 49
Câu 8 : 3120
Câu 9 : 11
Câu 10 : 362
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1.5406
2.850
3.20
4.17950000
5.48
6.60
7.49
8.3120
9.11
10.362
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Given the right triangle ABC (A^ = 90o), BD is the bisector of the angle at B ( D of AC ). If AD = 6cm and AB = 12cm then the area of the right triangle ABC is ...... cm2.
I don't know English very much so i can't answere your question. Sory about that :(
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Given the right triangle ABC (A^ = 90o), BD is the bisector of the angle at B ( D of AC ). If AD = 6cm and AB = 12cm then the area of the right triangle ABC is ...... cm2.
Mới học lớp 7 thôi, ko làm được bài nhưng để mk dịch đề thử nhá:
Cho tam giác ABC (A^= 90o), BD là tia phân giác của góc B (D thuộc AC). Nếu AD= 6cm, AB= 12cm thì diện tích của tam giác ABC là .....cm2.
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Dựng DE vuông góc với BC (E thuộc BC).2 tam giác vuông ABD và EBD bằng nhau (gcg) nên \(S_{ABD}=S_{EBD}=\frac{1}{2}\cdot12\cdot6=36\)(cm2)Và cạnh DE=AD=6(cm)2 tam giác vuông CED và CAB có chung góc C thì đồng dạng với nhau với tỷ lệ cạnh là: \(\frac{DE}{AB}=\frac{6}{12}=\frac{1}{2}\)nên tỷ lệ diện tích bằng bình phương tỷ lệ cạnh, ta có:\(\frac{S_{CED}}{S_{CAB}}=\frac{1}{2^2}=\frac{1}{4}\)Vậy \(S_{ABC}=S_{ABD}+S_{BDE}+S_{CED}=\left(2+\frac{1}{4}\right)S_{ABD}=\frac{9}{4}S_{ABD}=\frac{9}{4}\cdot36=81\)(cm2).
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Given the right triangle ABC (A^ = 90o), BD is the bisector of the angle at B ( D of AC ). If AD = 6cm and AB = 12cm then the area of the right triangle ABC is ...... cm2.
the area of an equilateral triangle is \(8\sqrt{12}cm^2\)
What is the perimeter of the triangle
PhotoBui Vu Tra MyTrường Tiểu Học Kim ĐồngLớp 4a2ID: 50462017LỚP BẠN ĐANG DỰ THILớp 4VÒNG THI HIỆN TẠI VIOLYMPICVòng 6VÒNG THI CỦA BẠNVòng 6LẦN THI1Bài thi số 2Điền kết quả thích hợp vào chỗ (...): 19:34Fill in the blank with the suitable numberCâu 1:There were 5256 people in a commune. After a year, the population increased by 79. One year later, it increased further by 71. How many people are there in total after 2 years?Answer: people.Câu 2:Find the value of y such that y - 305 545.Answer:...
Đọc tiếp
Photo
Bui Vu Tra My
Trường Tiểu Học Kim Đồng
Lớp 4a2
ID: 50462017
LỚP BẠN ĐANG DỰ THI
Lớp 4
VÒNG THI HIỆN TẠI VIOLYMPIC
Vòng 6
VÒNG THI CỦA BẠN
Vòng 6
LẦN THI
1
Bài thi số 2
Điền kết quả thích hợp vào chỗ (...):
19:34
Fill in the blank with the suitable number
Câu 1:
There were 5256 people in a commune. After a year, the population increased by 79. One year later, it increased further by 71. How many people are there in total after 2 years?
Answer: people.
Câu 2:
Find the value of y such that y - 305 = 545.
Answer: y =
Câu 3:
The sides of a triangle are a, b and c respectively.
What is the perimeter of the triangle if a = 8cm, b = 6cm, c = 6cm?
Answer: The perimeter of the triangle is cm.
Câu 4:
A fund received 75500000 VND on the first day, 85950000 VND on the second day and 14500000 VND on the third day. How much money did the fund receive altogether?
Answer: The fund received VND altogether.
Câu 5:
The sum of the ages of the father and his son is 58. The father is 38 years older than his son. How old is the father?
Answer: The father is years old.
Câu 6:
The perimeter of a rectangle is 32cm. The length is 4cm longer than the width. What is its area?
Answer: Its area is .
Câu 7:
The sum of the ages of the mother and her son is 60. The mother is 38 years older than her son. How old is the mother?
Answer: The mother is years old.
Câu 8:
In a café, there were 267 adults and 123 teenagers. If each of them spent 8 dollars then they spent dollars in all.
Câu 9:
If A - B = 8 and the average of A and B is 7 then A =
Câu 10:
On a Christmas tree, there are 45 glass stars and 26 golden balls. Each glass star costs 4 dollars while a golden ball costs 3 more dollars than a glass star. What is the total cost of the glass stars and golden balls?
Answer: The total cost is dollars.
đây là đề thi toán tiếng anh lớp 4 vòng 6 đó!
Cách giải câu 7 nè !
Tuổi của mẹ là :
( 60 + 38 ) : 2 = 49 ( tuổi )
Đáp số : 49 tuổi
Bạn k mk nhé ! Mk sẽ giải hết cho bạn !
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Toán tiếng anh: If the length of a leg of a right angle is 11 and the lengths of the other two side are both positive integers, then the perimeter of a triangle is.............
Using The triangle inequalities ,check to know which set of line segment lengths can't be set of the three sides in any triangle
A, 2cm, 3cm, 6cm
B, 2cm 4cm 6cm
C, 3cm 4cm, 6cm
My answer is : B . 2 cm , 4 cm , 6 cm
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