An equilateral triangle has its two vertices P(5, 4) and Q(13, –2), then the radius of its circumcircle is (in units)
Answers
SOLUTION
GIVEN
An equilateral triangle has its two vertices P(5, 4) and Q(13, –2)
TO DETERMINE
The radius of its circumcircle (in units)
FORMULA TO BE IMPLEMENTED
For an equilateral triangle with each sides of length a unit, the radius of circumcircle is
EVALUATION
Here it is given that An equilateral triangle has its two vertices P(5, 4) and Q(13, –2)
Then the length of the side PQ
Since the triangle is equilateral
So the length of each side is equal
Therefore the length of each side = a = 10 unit
Hence the radius of the circumcircle
FINAL ANSWER
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