2/09. Exercise 9.26

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The lengths [[$ a $]], [[$ b $]] and [[$ c $]] are measured in centimeters. Are the following formulas used to calculate length, area
or volume?

a) [[$ K = abc $]]

The formula is used to calculate

b) [[$ R = 4a^2 $]]

The formula is used to calculate

c) [[$ B = \pi c^2 $]]

The formula is used to calculate

d) [[$ L = \displaystyle\frac {4} {3} \pi b^3 $]]

The formula is used to calculate

e) [[$ Y = 4a + 3b $]]

The formula is used to calculate

f) [[$ G = 2\pi a^2 $]]

The formula is used to calculate

g) [[$ X = 3ab $]]

The formula is used to calculate

h) [[$ M = 9c^2 $]]

The formula is used to calculate

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