How to calculate the square area of the house? A rectangle is 31 meters long on the top and 30.4 meters long on the bottom; 27.6 meters wide on the left and 26.7 meters wide on the right. How many square meters is this? It's urgent. Please help me to calculate~

How to calculate the square area of the house? A rectangle is 31 meters long on the top and 30.4 meters long on the bottom; 27.6 meters wide on the left and 26.7 meters wide on the right. How many square meters is this? It's urgent. Please help me to calculate~

This house is polygonal, strange; you say it's not southeast, northwest, up, down, left, right, or strange. It's suggested that you measure the coordinates to get the shape directly, and then you have the area; or you can use your own tape to pull the line to dismember and calculate