Question

area of a rectungal is = 21 cm so what is peremiter​

Answer 1

Answer:

area of a rectungal is= l×b

area of a rectungal is = 21

factors of 21= 7 and 3

so l and b = 7 and 3

perimeter is 2(l+b)

2(7+3)

2×10=20

Answer 2

Answer:

area = L×B

21= Lb

means its length would be 7cm and breadth would be 3 cm

perimeter = 2(L+B)

2(7+3)

2(10)

20cm

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