Raycast hitting the wrong place?

wait(6)
local mathrad = 20
local function GetXZ(Angle)
	local X = math.cos(Angle) * mathrad
	local Z = math.sin(Angle) * mathrad
	return X,Z
end
local Character = game.Players.LocalPlayer.Character
for i = 1,20,1 do
	local Angle = i * (2 * math.pi / mathrad)
	local X,Z = GetXZ(Angle)
	local R = workspace:Raycast(Character.HumanoidRootPart.Position + Vector3.new(X,0,Z),Character.HumanoidRootPart.Position + Vector3.new(X,-10,Z))
	if R then
		local Part = Instance.new("Part")
		Part.Parent = workspace
		Part.Anchored = true
		Part.CFrame = CFrame.new(R.Position,R.Position,R.Normal),CFrame.Angles(math.random(-360,360),math.random(-360,360),math.random(-360,360))
		Part.Size = Vector3.new(1,1,1)
	end
end