Ok, so let's make 2 triangles out of the kite shape. 18-16 is 2. so 2 is the height. 18 times 2 is 36. 36 divided by 2 is 18. 18 is the area for the first triangle. 16-2 is 14. 14 is height. 14 times 18 is 252. 252 divided by 2 is 126. 126+18 is 144. 144 is your area.