Perimeter (circumference) of sector of a circle - exam question 15cm radius 140 degree

Perimeter (circumference) of sector of a circle - exam question 15cm radius 140 degree. I hope the video helps and please do leave a comment - thanks. Subscribe to    / brainframeable   for more great maths videos - including 3 Minute Quick Reminder Math, Working with Fractions and Decimals and many more. Please also add any suggestions for future videos on my Google+ page or visit http://www.mathswrap.co.uk real maths, tips and techniques. I created this video with the YouTube Video Editor (   / editor  )