Straight LineHard
Question
The points 
, (1, 3) and (82, 30) :
, (1, 3) and (82, 30) :Options
A.form an acute angled triangle.
B.lie on a straight line
C.form an obtuse angled triangle
D.form a right angled triangle.
Solution
AB = 
BC =
CA =
Clearly AB + BC = CA ∴ A,B,C are collinear
BC =
CA =
Clearly AB + BC = CA ∴ A,B,C are collinear
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