Question

4. The area of a rectangular region A is 440 sq m. The length of a rectangular region B is half the length
of the region A and its breadth is half the breadth of A. What is the area of the region B?
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Answer 1

•For Plot A :

Let the length be l and breath be b then lb = 440 . ....................1

•For Plot B :

length will be l/2 and breath be b/2 then area = l/2 * b/2 = lb/4

From eq 1 we get lb / 4 = 440 / 4 = 110 sq. m

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Answer 2

Step-by-step explanation:

Let a and b be the length and width of the rectangular region A so that ab=440 sq.m. For region B, the length is a/2 and width is b/2. So, the area of the rectangular region B is ab/4 = 440/4 = 110 sq m.

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