The side of a square is m-3. Find the perimeter.
1 answer:
Answer:
4m-12
Step-by-step explanation:
since the perimeter of a square is the addition of all four equal sides, therefore:-
P=(m-3)+(m-3)+(m-3)+(m-3)
P=m-3+m-3+m-3+m-3
<em>collect</em><em> </em><em>like</em><em> </em><em>terms</em>
P=m+m+m+m-3-3-3-3
P=4m-12.
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b)37.5
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