Answer:
44m
Step-by-step explanation:
area of a trapezoid = (a+b)* h/2
since the distance between two parallel sides is 15, that would be your height
plug everything in and you get:
480 = (20 + b) *15/2
b = 44
Answer:
p=6.2
Step-by-step explanation:
I Also nenes help doing thank
Answer: 20-4x
Explanation:
20(a number) minus 4 times x
