What is the surface area of disk if it's circumstance is 30cm?

The area of the disk, AD = ㅤㅤ Units.

Answer the same question for a perfect square with the perimeter 30cm.

The area of the square, As = Units.

What is the surface area of disk if its circumstance is 30cm The area of the disk AD ㅤㅤ Units Answer the same question for a perfect square with the perimeter 3 class=