Find the area of rectangle of sides 115cm and 40 cm. Also find its perimeter also class 4

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Answer:perimeter of rectangle = 2× (l+b)

= 2×(115+40)

= 2× 155

= 310 cm

area of rectangle = l×b

= 115×40

= 4600 cm sq

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Answer:are of rectangle – l×b

115×40

4600cm

Step-by-step explanation:petimeter