Question

The Lengths of rectangle is 20 cm .Is breath is 5cm less than the length. Find it's area​

Answer 1

Answer:

length=20cm

breadth. = 20-5=15. cm

area =l×b

20×15

300cm^2

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Answer 2

${\huge{\bf{\red{Perimeter-:}}}}$

${\sf{Perimeter=2×(L+B)}}$

$\implies$ ${\sf{Perimeter=2×(20+5)}}$

$\implies$ ${\sf{Perimeter=50cm}}$

${\boxed{\bf{\green{Ans-:50cm}}}}$

${\huge{\bf{\red{Area-:}}}}$

${\sf{Area=L×B}}$

$\implies$ ${\sf{Area=20×5}}$

$\implies$ ${\sf{Perimeter=100cm^2}}$

${\boxed{\bf{\green{Ans-:100cm^2}}}}$

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