Answer:
The answer is 23 feet on each side
Step-by-step explanation:
Sqrt of 529= 23
Hope it works
all work is shown and pictured
(2b+-7)+5(b+-3)
Multiply 5 throughout the second parentheses
(2b-7)+(5b-15)
Add 2b and 5b
7b-7-15
Subtract -7 and -15
7b-22
C -36
c
because are of trapizium =( a+b/2) × h