The formula for perimeter is 2l+2w. Since we know l=(w-4)-9, we can substitute this into the formula.
l=w-13
2(w-13)+2w=143
2w-26+2w=143
4w=169
w=42.25 units
Hope this helps!
Answer:
The first one 24/4
Step-by-step explanation:
Into usually means divide when it's used as a math term,
therefore 24 into fourths means 24 divide by 4.
Your answer is 62.83cm²
~Hoped this helped~
~Brainiliest!~
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