The area of a square is 81 m ^ 2 what is the perimeter of the square? How do you know?

Answer question above and explain each step : )

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. the heights of the girls in an advanced swimming course are 55, 60, 59, 52, 65, 66, 62, and 65 inches. match the measures of this data with their values.

Measures of the angle of r, 31 s (x+4) t (3x+9)