Step-by-step explanation:
If a+b=50
When b=30
a=50-b
a= 50 - 30
a=20
Therefore 20(a)+30(b)=50
I dont know how to do this, but download this app called "Photo math" and it will show u the answer and the work to solve this problem.
Answer:
32in
Step-by-step explanation:
8in + 8in + 8in + 8in = 32in
So.... In a paralleogram, both opposite sides are equal.
P=5+5+9+9
P=28 ft