Answer:
30, 10, -10
Step-by-step explanation:
Subtract each number below from the number above.
60 - 30 = 30
50 - 40 = 10
40 - 50 = -10
Let us draw a picture to make the things more clear.
Attached is the image.
We have been given that

Therefore, we have

Now, in triangle bcd, we have

Now, in triangle acb, we have

Thus, ad is 15 cm.
Answer:
45 trees
Step-by-step explanation:
82=37+M m=mr.regan
-37. -37
45=M
If it's a square then sides equal to around 12-13 meters