Answer:

Step-by-step explanation:
We want to find the sum of

We can rewrite this as

This becomes;

Recall that;

This implies that;

Combine like terms:

Answer:54?
Step-by-step explanation:
Answer:
side of square = 60 m
Step-by-step explanation:
perimeter of square = 4 × side
so,
=》240 = 4 × side
=》240 / 4 = side
=》 60 m = each side of the square .
i hope it helped..