Answer :
We have given three points of a triangle.
Given: A(0, 4), B(1, 2), C(3, 3)
To Prove: Given points are the vertices of Right – angled Triangle.
Proof: We have A(0, 4), B(1, 2), C(3, 3)
The concept used: If the two lines are perpendicular to each other then it will be a right – angled triangle.
Now, Joining the points to make a line as AB, BC, and CA
The formula used: The slope of the line, m =
Now, The slope of line mAB =
The slope of mAB =
and, The slope of line BC =
The slope of mBc =
Now, mAB × mBc =
mAB × mBc = – 1
Since, AB is perpendicular to BC, it means B =
Hence, ABC is a right angle Triangle.
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