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Angelina_Jolie [31]
3 years ago
15

Can some one please help me!!! I really don't understand and plz explain

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
5 0
Length = l
width = 1/3 of length = l/3

perimeter = 2(l + l/3)
Answer is option B

-----------------------------------
2(l+ l/3) = 56
⇒ 8l/3 = 56
⇒ l = 3*56/8
⇒ l = 21 inch
width = 21/3 = 7inch

Area = 21*7 inch² = 147 inch²
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