WPF Path to draw Arrow left right top bottom

ArrowWithPath.xaml

<Window x:Class="WpfApplication6.Window1"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Window1" Height="300" Width="300">
    <Grid>
        <StackPanel>

            <Path  Fill="Black" Data="M 0 10 L 20 10 L 10 0 Z"/>
            <Path  Fill="Black" Data="M 0 0 L 10 10 L 20 0 Z"/>

            <Path  Fill="Black" Data="M 0 10 L 10 0 L 10 20 Z"/>
            <Path  Fill="Black" Data="M 0 0 L 10 10 L 0 20 Z"/>
            
        </StackPanel>
    </Grid>
</Window>