Question

If each grey square is 1cm in width and length, then what is the area of the shape?

Answer 1

Take 1 block : It is a square right
now find its area :
a^2= area of square = a(a)
we know that a = 1 cm
now area of 1 block = 1 (1) =1cm^2
there are 15 blocks totally
as the area of each block is 1cm^2
the area of 15 blocks = 1cm^2 (15)

that is u get 15cm^2.......

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Answer 2

The options for this question are missing. here are the missing options:

A.22cm²

B.13cm²

C.15cm²

D.12cm²

Answer

First of all we will find the area a^2= area of square = a(a)  

We already know that a = 1 cm

area of 1 block = 1 (1) =1 cm^2

as the area of each block is 1 cm^2  

the area of 15 blocks = 1 cm^2 (15) (there are total of 15 blocks)

So the option C is the correct answer.

If there is any confusion please leave a comment below.