Ok, time to get the brains working. We did a lot of work on perimeter and finding unknown lengths. We found it easier to sketch this problem out onto a piece of paper so we could mark in the missing lengths. Have a go and post your answer in the comments. We'll give bonus marks if you can work out the area of this shape too. Check back for the answer tomorrow.
Here's a video if you need a reminder about perimeter.
Tuesday Update
Answers below
Perimeter = 45 cm
Area = 63 cm2
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