Question

Find the height of a cylinder whose volume is 0.77 m3 and diameter Of the base is

140 cm​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

The above problem can be solved by using formula:

$\pi \times r {}^{2} \times h$

Given:

• Volume of a cylinder =0.77 m³
• Diameter of its base =140 cm

.°. Radius of cylinder= 140/2=70 cm=0.7m

By putting these values in the above fomula we get;

$0.77 = \frac{22}{7} \times 0.7 {}^{2} \times h \\ 0.77 = \frac{22}{7} \times 0.49 \times h \\ = > h = \frac{0.77 \times 7}{22 \times 0.49} = 0.5 \: m$

Thus, the height of the cylinder=0.5m