| Author |
Message |
![[Post New]](/templates/default/images/icon_minipost_new.gif) 26 Jul 2007 10:30:05 IST
|
|
|
if coordinate of a triangle is (9,8) , (0,9) , (6,0) what is the area of triangle
|
|
|
|
26 Jul 2007 10:31:19 IST
|
|
|
please help
|
this reply: 0 points
(with 0 
in 0 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
26 Jul 2007 10:32:58 IST
|
|
|
use det. method
[9 8 1]
[0 9 1]
[6 0 1]
solve 2 get d answer
|
<TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0">
<TR><TD>
   
<DIV ALIGN="right">Glitter Graphics</DIV></TD></TR></TABLE>
|
this reply: 0 points
(with 0
in 0 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
26 Jul 2007 11:27:38 IST
|
|
|
Area = 1/2 [9 8 1]
[0 9 1]
[6 0 1]
=1/2*(81+48-54)
=1/2*75...
Area = 75/2................................
|
The inevitable truth of life.....everyone in our life is going 2 hurt sooner or later......u just have 2 realise who is worth.....
the PAIN or the PERSON...!!! |
this reply: 2 points
(with 0
in 1 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
26 Jul 2007 11:31:45 IST
|
|
|
sorry i misd d 1/2
|
<TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0">
<TR><TD>
<DIV ALIGN="right">Glitter Graphics</DIV></TD></TR></TABLE>
|
this reply: 0 points
(with 0
in 0 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
26 Jul 2007 12:00:03 IST
|
|
|
[ 1/2] (9+8)(0+9)(6+0)
|
this reply: 0 points
(with 0
in 0 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
26 Jul 2007 13:43:44 IST
|
|
|
If the coordinates are (x1,y1) ; (x2,y2) ; (x3,y3)
Then the area of the triangle is
(1/2){x1(y2-y3) + x2(y3-y1) + x3(y1-y2)}
Substitute the values you will get area = 75/2
|
Bipin Kumar Dubey
Chemical Dept.
IIT Kharagpur
|
this reply: 0 points
(with 0
in 0 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
12 Aug 2007 23:32:01 IST
|
|
|
answr is 75/2
|
Who says nothing is impossible.
I've been doing nothing for years !!..............
I know KUNG FU KARATE
and 47 other dangerous words.............
|
this reply: 0 points
(with 0
in 0 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
|
|
Moderation Team
![[Up]](/templates/default/images/icon_up.gif "[Up]"){kind=icon}
1
