Area= length * height
21*9 = 189cm^2
Answer:
Step-by-step explanation:
تازە کات تەواو بوو
مەگەر بۆ ١/٦
90º (-270º): (x,y) ---> (y, -x)
180º (-180º): (x, y) ---> (-x, -y)
270º (-90º): (x,y) ---> (-y, x)
Answer: A
Step-by-step explanation:
Because A...