Answer:
Step-by-step explanation:
I just took the test and I got it right but if you don't I'm so sorry :<
See the picture for the answer.
6
Hope that helps
10
I assume it's a rectangle, therefore:
P = 50
a = 15 ft
b = ?
P = 2a + 2b
50 = 2 * 15 + 2b
50 = 30 + 2b
2b = 50 - 30
2b = 20
b = 10