Respuesta :
Given:
radius = 20 mm
Area of a circle = π r²
A = 3.14 * (20mm)²
A = 3.14 * 400mm²
A = 1,256 mm²
400mm² ; 628.57mm² ; and mm² ARE NOT THE AREA OF A CIRCLE
radius = 20 mm
Area of a circle = π r²
A = 3.14 * (20mm)²
A = 3.14 * 400mm²
A = 1,256 mm²
400mm² ; 628.57mm² ; and mm² ARE NOT THE AREA OF A CIRCLE