3 years ago

A cylindrical candle has a volume of approximately 400cm^3 and is 8 cm tall. What is the radius of the candle?

Mathematics

2 answers:

katrin2010 [14]3 years ago

6 0

Answer:

<h2><u>Solution</u><u> </u><u>:</u><u>-</u></h2>

We know that

V = πr²h

400 = 22/7 × r² × 8

400 × 7 = 22 × 7r²

2800 = 154r²

2800/154 = r²

18 ≈ r²

4.2 = r

ddd [48]3 years ago

4 0

Answer: r = 4.2

Step-by-step explanation: hope this helps

have a nice day

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