There's no diagram, so I made my own.
But I can't prove AD = 2*AB
1:5
2 feet long.
3 and 15 simplified equals 1 and 5. So if the building is 10 who's is double 5, then the person is 2.
Answer:
1. .900+.020+.008, 2. .700+.030+.001, 3. 4.5, 4.56, 4.565656, 4.6
Step-by-step explanation:
The first one is correct I think.
Πr^2=area 9=r 9^2=81π=254.47