Pls me with these 3 problems.
* click the picture *

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?