Question

the area of the square is 128 m the length of its diagonals is​

Answer 1

Answer:

Step-by-step explanation:

Area of a square =128cm  

2

 (given)

Let the side of square be 'a'

Area of square =  

2

1

​  

× Diagonal  

2

 

⇒128=  

2

1

​  

× Diagonal  

2

 

⇒256= Diagonal  

2

 

∴ Diagonal =16cm

Area of square =(side)  

2

 

⇒128=a  

2

 

⇒a=11.31cm

Perimeter of square =4a=4×11.31=45.24

Perimeter of square is 45.24cm

Answer 2

Answer:

S²=128

S²=1/2* diagonal

diagonal =128*2

= 256m

Step-by-step explanation:

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