First find the area of the rectangle by multiplying the length and width of the rectangle, so 12 x25=300. Then find the area of the triangle, which is length x height/ 2. So 8 x 25=200/2=100. Then add the two answers together to get 400.
7(thousands) 8(hundreds) 5(tens) 4(ones) .(decimal point) 2(tenths) 0(hundredths) 9(thousandths) Hope this helps! I would appreciate it if I got brainliest! Thanks! =D
