Answer:
<h2>A)15</h2>
Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
<h3>let's solve:</h3>
parimeter of a square:4a
according to the question

divide both sides by 4:

cancel 2 from both sides:

divide both sides by 8

Answer:
300
Step-by-step explanation:
Answer:
infinity
Step-by-step explanation: