The "Transform Again" command can save you a lot of work, and when you use it with the rotate tool, it can also save you from doing the math.
Iwu "Transform Again" nwere ike ịzọpụta gị ọtụtụ ọrụ, mgbe ị na-eji ya na ngwaọrụ ntụgharị, ọ nwekwara ike ịchekwa gị na ịme ntụgụ.