Question

the smaller square is 100sq cm.the area of the large square in sq cm is what? a)144 (b) 165 (c)200 (d)400

Answer 1

If the smaller square has an area of 100cm²,then the bigger square has the area of ;

√100=10

The length of smaller square is 10CM

Then the bigger square has a length of twice the smaller one

10cm×2=20cm

area =l²

=20cm²

=400cm²

Answer 2

Thank you for asking this question. Here is your answer:

The correct answer is the option D: 400

We will assume the let the side of square to be x.

x multiplied by x will be equal to the area of square  

x² = 400

So, x will be equal to 20 cm

So the final answer for this question would be  400 cm²

If there is any confusion please leave a comment below.