Answer:
l = 20 m
Step-by-step explanation:
600/30 = 20
Answer:
The answer is 12 units.
Step-by-step explanation:
Looking at the figure we see that

and

Now from equations (1) and (2) we have values for
and
so we put those into the equation (3) and get:



Therefore the answer is 12 units.
Answer:

Step-by-step explanation:
Given

Required
Simplify

Open brackets

Collect Like Terms

Simplify like terms
