Answer:
1. 15
2. 26.6666666667
3. 26.6666666667
4. 15
5. 8
Step-by-step explanation:
You can break the shape up into a rectangle and a right triangle.
Use your trig ratios to find the missing sides.
Add all the sides up and you have your perimeter!
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<em>*notice how one of the 10 is left out because it is inside the shape so we can't use that to find perimeter.</em>

Could you please explain how to work this app