Question

As shown above, a rectangle is formed by joining 8 identical rectangles, each having a perimeter of 16cm, what is the perimeter of the largest rectangle?​

Answer 1

Answer:

(E)128 cm

Step-by-step explanation:

In the given figure there are 8 small rectangles each with perimeter 16 cm.So,if we take all these rectangles together the big rectangle forms.So we should add the perimeter of 8 rectangles which gives the perimeter of the big rectangle as 128 cm.

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Answer 2

Answer: A. 46 cm

Step-by-step explanation:

L: length

B: breadth

As per question, 2(L+B)=16

Figure consists of 5L+7B

Hence, 5L+5B =(16/2)*5=40

2B=16-2L

So less than 16

Answer 40+16-2L=56-2L

Only answer that matches the condition is A)46 cm.