Answer:
you can cut the composite figure into two shapes, a smaller square and a larger one. Now you need to find the missing side for the smaller one since the bigger one is already supplied. We now that we can find the missing side for the 7m square which would also be 7 since 9+7 is 16, Now we can multiply so 7x7=49 and 9x14=126 and then all we need to do is add so 49+126=175m^2
Explanation: