0.0 since there is NO shaded area.
23.0
6.3 is the nearest tenth...
If cos y = 0.5135 then y = 59.1°.
52.0
78.5
0.79 rounded to the nearest tenth equals 0.8
If we can't see the shaded area or if you don't tell us what it is, we'd just be guessing.
16% is one tenth shaded in a graph
pi*11.52 = 415.4756284 or 415.5 ft to the nearest tenth
1.4
0.04
46.0
0.7778
3.0
65.5
4.5
38 US gallons equals 143.8 liters, rounded to the nearest tenth of a liter.