Answer:
7.142
Step-by-step explanation:
error=30-28
error=2
%error=error/actual valuex100
%error=2/28*100
%error= 7.142
See what you can do like ask what the change is
Tell Me if I'm Wrong But I Believe It's 198m3
I think or as i know equilateral triangle all side are equal and square all side also equal so i think 2
