akiastevens9177 akiastevens9177 30-01-2024 Mathematics contestada A rectangular piece is 20 m long and 15 m wide. From its four corners, quadrants of radii 3.5 m have been cut. Find the area of the remaining part.(a) 290 m²(b) 315 m²(c) 340 m²(d) 365 m²