I have a rectangle with a length of 7 cm and a perimeter of 38 cm. Find the area of the rectangle?
1 answer:
Answer:
area is 84
Step-by-step explanation:
perimeter is 38(p)
length (l) is 7cm
width is?(w)
p=2(l+w)
38=2(7+w)
38=14+2w
2w=38-14
2w=24
w=12
area=l*w
12*7
=84
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