given 5 points in which not any three points are collinear. Draw lines passing through the pair of points . How many lines are there?
Give 5 points which not any three points are collinear. Draw lines passing through the pair of points. How many lines are there?
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
This is my exercise:
It is just 1 point in 99 straight draw with 100 points remaining. So with 100 points, with all 99.100
As each line is repeated 2 times so have all :
99.100 / 2 = 4950 (lines)
Answer: 4950 lines.
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
With 100 points, then we draw are:
100 x 99 : 2 = 4950 ( lines )
Answer: 4950 lines
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
Đề bài:
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
With 100 points, then we draw are:
100 x 99 : 2 = 4950 ( lines )
Answer: 4950 lines
The number of lines is :
\(\frac{100.99}{2}=4950\)
So,...
It is just 1 point in 99 straight draw with 99 points remaining. So with 100 points, with all 99 . 100
As each line is repeated 2 times so have all :
\(\frac{99.100}{2}=4950\)( lines )
Answer : 4950 lines
Given two parallel lines xy & zt. Three points A,B & C are on line xy, two points D & E are on line zt. Draw lines passing through the pairs of points. How many lines are there? (including xy & zt)
Given 20 points. Draw the lines through the 2 points of these 20 points. How many lines are there if only 3 of 20 points are aligned?
Nguyễn Cao Cường đã làm đúng nhưng cách giả đâu
Given 20 points. Draw the lines through the 2 points of these 20 points. How many lines are there if only 3 of 20 points are aligned?
Answer: There are ... lines.
Dịch: Cho 20 điểm. Vẽ đường đi qua 2 điểm trong số 20 điểm này. Có bao nhiêu đường nếu chỉ có 3 trong số 20 điểm đó thẳng hàng?
Trả lời: Có ... đường thẳng
given 5 point in which not any 3 point are collinear.draw lines pasing throught the pair of poins t .how many lines are there
cho 5 điểm trong đó có 3 điểm không thằng hàng . Vẽ những đường thẳng đi qua 5 điểm đó . Hỏi có tất cả bao nhiêu đường
bài giải là
có tất cả 5*4:2 = 10
bạn ơi mk dịch lộn một chút là vẽ đường thẳng đi qua 2 trong 5 điểm đó . hỏi có tất cả bao nhiêu đường
given a parallel line xy and zt. Three point A,B,C are on line xy, two point D,E are on line zt. Draws line passing through the pair of point. How many lines are there?