You add of the sides to get the perimeter.. 9 plus 9 is 18 and 5 plus 5 is 10. 10 plus 18 of 28. The perimeter of ABCD is 28.
I hope this helps.
Answer:
18
Step-by-step explanation:
this is the surface area but what is the question
Answer:
The answer is 1/10. Mark as brainliest ^-^
Step-by-step explanation:
1,110,000.
You look at the ten thousands value and look at the number after it. If it is less than 5 then it is that number, just add zeros to the rest of the values after it.
