Perform the distance formula:
D = [(x2 - x1)^2 + (y2 - y1)^2]^.5 = [(12 - 8)^2 + (1 - 4)^2]^.5 = (4^2 + (-3)^2)^.5 = (16 + 9)^.5 =
25^.5 = 5
This is the distant of one side. The perimeter would be 5 * 4 = 20.
Salim L.
asked 07/04/14
Jim B. answered 07/04/14
Experienced teacher and author tutoring in Math and Computer Topics
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.