Question

7. Length of line joining two points (1, 2) and (4, 8) is-
(1, 2) আৰু (4, 8) বিন্দু দুটাৰ সংযােগী ৰেখাৰ দীঘ হ'ব
(a) 7 unit
(b) 7 unit (c) 45 unit (d) 45 unit​

Answer 1

Answer:

Let the co-ordinates of the two points

be (1, 2) and (7, 5) respectively. The line

is rotated through

in anti clockwise direction about the point of trisection of

which is nearer to

The equation of the line in new position is:

(b)

(d) None of these