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A circular well with a diameter of 2 metres, is dug to a depth of 14 metres. What is the volume of the earth dug out?
(a) 32 m³
(b) 36 m³
(c) 40 m³
(d) 44 m³

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Solution

(d) 44 m³

Diameter = 2 m
Radius = 1 m
Height = 14 m
$∴ Volume = {πr}^{2} h = \frac{22}{7} \times 1 \times 1 \times 14 = 44 m^{3}$

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A circular well with a diameter of 2 metres,is dug to a depth of 14 metres. What is the volume of the earth dug out?

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Tick (✓) the correct answer: A circular well with a diameter of 2 metres, is dug to a depth of 14 metres. What is the volume of the earth dug out? (a) 32 m3 (b) 36 m3 (c) 40 m3 (d) 44 m3

(d) 44 m3 Diameter = 2 m Radius = 1 m Height = 14 m ∴ Volume=πr2h=227×1×1×14=44 m3

Tick (✓) the correct answer:
A circular well with a diameter of 2 metres, is dug to a depth of 14 metres. What is the volume of the earth dug out?
(a) 32 m³
(b) 36 m³
(c) 40 m³
(d) 44 m³

(d) 44 m³

Diameter = 2 m
Radius = 1 m
Height = 14 m
$∴ Volume = {πr}^{2} h = \frac{22}{7} \times 1 \times 1 \times 14 = 44 m^{3}$