1.0 video Lesson 38 Length Measurements 960 540 iPlayerHD https://iplayerhd.com <iframe src="//iplayerhd.com/player/video/f910b682-d1bc-414d-9df1-9e50fcb2b698?cbartype=over" allowtransparency="true" frameborder="0" scrolling="no" allowfullscreen mozallowfullscreen webkitallowfullscreen oallowfullscreen msallowfullscreen width="960" height="540"></iframe>