The length and breath of rectangle are 12cm and 9cm respectively find its perimeter and area
sona71247:
It's Simple the perimeter of rectangle is 2×(l + b) ,so lenght is 12 and breadth is 9... we will add 12 + 9(l+b) which is 21 and then multiply it by 2 which is 42.... and 42 is the final result and the perimeter of rectangle..... mark me as brainlist if this is helpful to you!!
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4
Answer:
Step-by-step explanation:
length = 12cm
breadth = 9cm
perimeter = 2(l+b)
2(12+9) = 2 x 21
42 cm
area = l x b
12 x 9 = 108 cm^2
108cm square
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Answered by
2
perimeter = 2 (l+b)
2 (12+9)
2 (21)
42 cm
area = 12×9
2 (12+9)
2 (21)
42 cm
area = 12×9
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