SOLUTION: A right triangle whose vertices are A(2,0) , B(-1,4) , and C(-2,-3) . Find the vertex angle whose measure is equal to 90 degree .

SOLUTION: A right triangle whose vertices are A(2,0) , B(-1,4) , and C(-2,-3) . Find the vertex angle whose measure is equal to 90 degree .

Algebra.Com

Question 1016145: A right triangle whose vertices are A(2,0) , B(-1,4) , and C(-2,-3) . Find the vertex angle whose measure is equal to 90 degree .
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
Slope AB=(4-0)/(-1-2)=-4/3
Slope BC=(-3-4)/(-2-(-1))=(-7)/(-1)=7
Slope AC=(-3-0)/(-2-2)=(-3)/(-4)=3/4
.
The slope of AC is the negative reciprocal of the slope of AB,
therefore AC and AB are perpendicular.
.
ANSWER: Angle BAC is the right angle
RELATED QUESTIONS
A right triangle whose vertices are A(2,0) , B(-1,4) , and C(-2,-3) . Find the vertex... (answered by FrankM)

What is the area of a triangle whose vertices are A(2,-4), B(1,6) and... (answered by greenestamps)

show that the triangle whose vertices are A(3,6), B(-2,-4) and C(-5,2) is a right angled (answered by Alan3354)

1. Two angles of a triangle measure 15� and 85 �. What is the measure for the third... (answered by Fombitz)

given the triangle whose vertices are at a(2,0), b(-7,-8) and c(-2,-7). Find the interior (answered by Alan3354)

Find b such that the points A(2,b),B(5,5)and C(-6,0) are the vertices of right angled... (answered by greenestamps,Boreal,ikleyn)

find the area of a triangle whose vertices are A(1, 1, 0) B(2, 1, 1) and C(1, 1, 2) (answered by Edwin McCravy)

Prove that the triangle ABC whose vertices are A(2,-1), B(2,1) and C(-1,1) is a... (answered by Alan3354)

A right triangle is a triangle with one angle measuring 90 degree. In a right triangle,... (answered by checkley71)