A square field has a $4$-m-wide road inside its border. If the road's area is $1$ hectare, the inner side of the field (

Question

A square field has a $4$-m-wide road inside its border. If the road's area is $1$ hectare, the inner side of the field (without road) is —

Accepted Answer

$621$ m

Answer

$617$ m

Answer

$629$ m

Answer

$637$ m

A square field has a 444-m-wide road inside its border. If the road's area is 111 hectare, the inner side of the field (without road) is —