First add the perimeter
3.65m + 2.24m + 2.24m + 3.65m + 2.57m = 14.35 m
then convert meters to centimeters (just move the decimal place two places to the right)
answer is 1,435 cm
Answer:

Step-by-step explanation:
Given
The attached graph
Required

This is the point where

On the attached graph;
when 
Hence:

Answer:
I'm doing the same thing and, I don't understand it either.
Step-by-step explanation:
Answer:
1.1x10^24
Step-by-step explanation: