The missing dimension in the figure given in the question is 9 ft
Data obtained from the question
- Diameter of small circle = 24 in
- Height of small circle = 8 in
- Height of big circle = 3 ft = 3 × 12 = 36 in
- Diameter of big circle (d) = ?
How to determine the missing dimension
Diameter of small circle / Diameter of big circle = Height of small / Height of Big
24 / d = 8 / 36
Cross multiply
d × 8 = 24 × 36
d × 8 = 864
Divide both sides by 8
d = 864 / 8
d = 108 in
Divide by 12 to express in feet
d = 108 / 12
d = 9 ft
Thus, the missing dimension is 9 ft
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