Geometry find the area of the smaller one. brainliest bogus answers reported

You can use proportions to solve match the side8 =10 100now, diagonal (multiplication), then down (division), then diagonal (answer)100 x 8 = 800800 ÷ 10 = 80the answer is 80you can also look at it this 8/10 = 80%80/100 = 80% they match so they are equal, therefore 80 inches ^2 is your answer