Answer:
H (-2,6)
Step-by-step explanation:
Length = 0.8m
Breadth = 0.3m
Volume = 108litres = 108÷1000 = 0.108m³
Volume = l x b x h
0.108 = 0.8 x 0.3 x h
0.108 ÷ ( 0.8 x 0.3 ) = h
0.45 = h
72
32pi×360/2pi(8)=72
central angle= arc length 360/2pi×r
attached below
4