whatsthe peritmter of this trapezoid EFGH the points are E(-2,2) F(5,2) G(2,-2) H(-2,-2)
How many combinations of pieces
In Block Blast , you have three pieces: a 2×2 square block, a 1×4 line block, and an L-shaped 3-block piece. If the board has exactly 8 empty spaces in a 4×4 area, how many different combinations of pieces can you place to completely fill those spaces (each piece used