Straight Line and Pair of Straight Lines 1 Question 29

29. The incentre of the triangle with vertices (1,3),(0,0) and (2,0) is

(2000, 2M)

(a) 1,32

(b) 23,13

(c) 23,32

(d) 1,13

Show Answer

Solution:

  1. Let the vertices of triangle be A(1,3),B(0,0) and C(2,0). Here, AB=BC=CA=2.

Therefore, it is an equilateral triangle. So, the incentre coincides with centroid.

I0+1+23,0+0+33I(1,1/3)



NCERT Chapter Video Solution

Dual Pane