If the coordinates of A= (0,0), B= (3,-3) and C= (-2,-8), help me to answer below questions?
a) Prove that ABC is a right angle triangle
b)Find the value of BAC and the value of BCA.Then, prove that BAC + BCA = 90 degree
Thank you! :)
a) Prove that ABC is a right angle triangle
b)Find the value of BAC and the value of BCA.Then, prove that BAC + BCA = 90 degree
Thank you! :)
2 Answers
Refer to the Explanation Section.
Explanation:
Part (a) :-
Slope of
Slope of
Slope of
Since,
Also, as
From
right-angled
This proves
Part (b):-
To find the measure of
angle btwn. lines
resp.
Similarly,
This proves
Enjoy Maths.!
Please see below.
Explanation:
In the triangle we have
As
and hence