Question

please give step by step answer ​

Answer 1

Answer:

Step-by-step explanation: \

mark me okay what happend mark me as Brainliest

Answer 2

Area of square sheet = (side)²

= (30)²

= 900cm²

radius of circle = 3.5cm

area of 1 circle = ‌πr²

= 22\7*(3.5)²

=38.5cm²

area of 20 circles = 38.5*20

= 770.0cm²

therefore,area of remaining sheet = 900-770 =130cm²