Question

Anna is cutting a cereal box into small squares with a side length of 1 in. How many squares can she cut if the box is a rectangular prism with a length of 10 in., a width of 4 in., and a height of 12 in.?(1 point)
Responses

416 squares
416 squares

400 squares
400 squares

408 squares
408 squares

336 squares

Answer 1

Surface area = 2(LW + LH + WH) = 2(10·4 + 10·12 + 4·12) = 2(40 + 120 + 48) = 416 sq in.
Each small square is 1 sq in, so she can cut 416 squares.