27-02-2017
Mathematics

Answered

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

Can some one please help me!!! I really don t understand and plz explain class=

Verified Answer :

Anonymous Anonymous

27-02-2017

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 = 356/8
⇒ l = 21 inch
width = 21/3 = 7inch

Area = 217 inch² = 147 inch²

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