Question

A rectangle is made of 16 squares of each side 1 cm. What is its area?

Answer 1

Answer:

Correct option is

A

144

Perimeter of the square =4a=4×12.5=50cm

Let the breadth of the rectangle =b cm.

Perimeter of the rectangle =2(l+b)=50cm

=>16+b=25

=>b=9 cm

Area of the rectangle =l×b=16×9=144cm

2

Answer 2

Answer:

No of squares in rectangle=16

Side of square = 1 cm

Area of square 》

$s \times s = area \\ 1 \times 1 = 1 {cm}^{2} \\ area = 1 {cm}^{2}$

So each square means 1 sq.cm.

Let we will take the rectangle of 8×2 《As shown in the pic 》

Area of the rectangle_

$l \times b = area \\ 8 \times 2 = area \\ 16 {cm}^{2} = area$

Step-by-step explanation:

Therefore; area is 16sq.cm.

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