If the vertices A,B,C of a triangle ABC ...

If the vertices A,B,C of a triangle ABC are (1,2,3),(-1,0,0),(0,1,2)respectively,then find `/_ABC.`

Topper's Solved these Questions

THREE DIMENSTIONAL GEOMETRY
A N EXCEL PUBLICATION|Exercise QUESTION BANK|97 Videos

Similar Questions

Explore conceptually related problems

Consider the triangle ABC with vertices A(1,2,3),B(-1,0,4),C(0,1,2) Find angleA .

Consider the triangle ABC with vertices A(1,2,3),B(-1,0,4),C(0,1,2) Find vec(AB) and vec(AC) .

Consider the triangle ABC with vertices A(1,2,3),B(-1,0,4),C(0,1,2) Find the area of the triangle ABC.

Find the area of a triangle with vertices A(2,3,1),B(1,1,2) and C(1,2,1).

Suppose that the midpoints of the sides BC,CA and AB of a triangle ABC are (5,7,11),(0,8,5), and (2,3,-1). Find the co-ordinates of A,B and C.

If the area of a triangle whose vertices are (k,0), (5,0), (0,1) is 10 square units then find k .

If the centroid of the triangle ABC is (1,1,1) and A and B are (3,-5,7) , (1,1,2) then find the coordinate of C.

The centroid of a triangle ABC is at the point (1,1,1) , If the coordinates of A and B are (-3,-5,7 ) and (-1,7,6) respectively, find the coordinates of the point C .

The vertices of the rectangle ABCD are A(-1, 0), B(2, 0), C(a, b) and D(-1, 4) Then, the length of the diagonal AC is

A N EXCEL PUBLICATION-VECTOR ALGEBRA-QUESTION BANK

If veca, vecb, vecc are unit vectors such that veca+vecb+vecc=0, fin...
Text Solution
|
If either vecotor oversetrarra=oversetrarr0 " or " oversetrarrb=overse...
Text Solution
|
If the vertices A,B,C of a triangle ABC are (1,2,3),(-1,0,0),(0,1,2)re...
Text Solution
|
Show that the points A(1,2,7),B(2,6,3) "and" C(3,10,-1) are collinear.
Text Solution
|
Show that the vectors 2overset^^i-overset^^j+overset^^k, overset^^i-3o...
Text Solution
|
If a is a non-zero vector of magnitude'a' and lambda a non-zero scala...
Text Solution
|
Find the magnitude of oversetrarra given by oversetrarra =(overset^^i...
Text Solution
|
Find a vector of magnitude 9 which is perpendicular to both the vector...
Text Solution
|
Find a unit vector perpendicular to the plane ABC where A,B,C are the ...
Text Solution
|
Given |oversetrarra| =10,|oversetrarrb| =2" and "oversetrarra.oversetr...
Text Solution
|
Consider the vectors oversetrarra=overset^^i-overset^^j+overset^^k" a...
Text Solution
|
Consider the vectors oversetrarra=overset^^i-overset^^j+overset^^k" a...
Text Solution
|
Consider the vectors oversetrarra=overset^^i-overset^^j+overset^^k"an...
Text Solution
|
Consider the vectors oversetrarra=overset^^i-overset^^j+overset^^k" a...
Text Solution
|
Consider the points A(1,2,-1)," " B(2,5,1)," " and" " C(0,-1,-3): Find...
Text Solution
|
Consider the points A(1,2,-1),B(2,5,1)andC(0,-1,-3): Find oversetrarr(...
Text Solution
|
Consider two vectors oversetrarra" and " oversetrarrb so that|overse...
Text Solution
|
Consider two vectors oversetrarra "and" oversetrarrb so that|overset...
Text Solution
|
Find |oversetrarraxxoversetrarrb|" if " oversetrarra=overset^^i-7overs...
Text Solution
|
Find a unit vector perpendicular to each of the vectors oversetrarra+o...
Text Solution
|