Concept explainers
To find the third vertices of equilateral
Answer to Problem 13.12EX
Option (b)
Explanation of Solution
Given information: Vertices of the triangle are:
Concept used:
The distance between the points
Let ABC be the triangle with vertices as
Using distance formula,
For an equilateral triangle, AB = BC = AC
Also,
Hence, the third coordinate of the equilateral triangle is
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