Answer:
A=616cm²
Step-by-step explanation:
The question says to use

for pi, now that we know that we proceed like normal and do the formula like this.

Add all the sides together
7.2+14.8+16.1+18 = 56.1
Answer:
x^2-7x+8=0
Step-by-step explanation:
(x+1)(x-8)=0
x^2-7x+8=0
IT'S OBVIOUSLY LESS THAN 1 M.
1 m = 100 cm
It's LESS.