3 years ago

the points p(3,5) and q(7,-1) are endpoints of a diameter of a circle. what is the length of a radius of the circle?

Mathematics

2 answers:

Doss [256]3 years ago

8 0

-1 - 5/7 - 3 = -6/4 = 1 1/2

1 1/2 ÷ 2 = 3/4 or .75

hope this helps :)

quester [9]3 years ago

8 0

Use the distance formula to find the length of the segment between the two points.
Sqrt( (3-7)^2 + (5--1)^2 )
sqrt (16+36)
sqrt (52)
2sqrt13 is the diameter
Dividing by two, the radius is sqrt13. A decimal approximation would be 3.61

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