.If area of a rectangle is 510 m2
and its lemgth is 30m. find its perimeter.
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Answer:
94metre.
Step-by-step explanation:
Area of rec. =510m².
Length =30m
Area of rec. =l×b=510m.
30×b=510m², b=510m²\30m=17m.
Perimeter of rec. =2(l+b) =2(30m+17m) =94m.
Hence, required number be 94m.
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