soyeonjeon13 soyeonjeon13 23-11-2022 Mathematics contestada A grid is 6 cm x 6 cm. a) How many 1 cm x 1 cm tiles are needed to cover the grid? b) How many 2 cm x 2 cm tiles are needed to cover the grid? c) How many 3 cm x 3 cm tiles are needed to cover the grid?