game.StarterGui:SetCoreGuiEnabled("All", false)

local cx = 692 / 2
local cy = 449 / 2

local bx = 692
local by = 449

local sqrt, deg, acos, pow, abs = math.sqrt, math.deg, math.acos, math.pow, math.abs

local distance = function(point1, point2)
    return abs(sqrt(pow(point2.Y - point1.Y, 2) + pow(point2.X - point1.X, 2)))
end

local angle = function(point1, point2)
    return abs(deg(acos((point2.X - point1.X) / (distance(point1, point2)))))
end

local seg = function(x1, y1, x2, y2)
    local point1, point2 = Vector2.new(x1, y1), Vector2.new(x2, y2)

    local new = Instance.new("TextLabel", script.Parent)
    new.Text = ""
    new.Size = UDim2.new(0, distance(point1, point2), 0, 1)
    new.Position = UDim2.new(0, (point1 + (((point2 - point1).unit) * (distance(point1, point2) / 2))).X - new.Size.X.Offset/2, 0, point1.Y + ((point2.Y - point1.Y) / 2))
    new.Rotation = angle(point1, point2)
    new.BorderSizePixel = 0
    new.BackgroundColor3 = Color3.new(1, 0, 0)

    return {
        angle = new.Rotation,
        length = new.Size.X.Offset,
        dest = function()
            new:Destroy()
        end
    }
end

seg(50, 50, 250, 250)