Concept explainers
To determine whether the triangle is an acute triangle, an obtuse triangle or a right triangle.
Answer to Problem 58E
The triangle with vertices
Explanation of Solution
Given information:
The vertices of a triangle are
Let, the vertices of a triangle are
Where,
The component form of the vectors:
Magnitude of the vectors:
Angle
Angle
Let, the third angle of a triangle is
Now, the sum of all angles of a triangle is always
Here,
One angle is
Hence,
The triangle with vertices
Chapter 10 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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