help me solve it 50 points step by step explanation

Answer:
The perimeter is 52 cm
Step-by-step explanation:
Just add all the sides together.
15 + 3 + 5 + 11 + 8 + 10
To find the missing sides, just subtract 15 - 5
To find the other missing side, just subtract 11 - 3
Answer:
Step-by-step explanation:
The first thing you need to do is calculate the unknown lengths. Then, add to get the perimeter. This will be easier on paper so let me attach the solution. Hope this helps!