The rate of change is 8/7
V of a cone= 1/2

V=1/2*pi*r^2*h = .5*pi*(9)*(10) = 141.4m^3
Answer:
a. 36°
Step-by-step explanation:
The same figure will reappear when rotated 360°/10 = 36° about the center.
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<em>Comment on the question</em>
The question as worded is nonsense. If the figure is rotated at all, there is not enough information to tell what the angle of rotation might be.
Answer:
-22.3% or 22.3% less than the previous year
Step-by-step explanation:
350 - 272 = 78
78/350 = 22.3 to 3 significant figures