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A circle has radius 0.001. What is its area?
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19 Sep 2018, 17:44
19 Sep 2018, 17:44
Expert Reply
00:00
Question Stats:
93% (00:33) correct
6% (00:51) wrong based on 43 sessions
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A circle has radius 0.001. What is its area?
(A) \(\pi \times 10^{–2}\)
(B) \(\pi \times 10^{–3}\)
(C) \(\pi \times 10^{–4}\)
(D) \(\pi \times 10^{–6}\)
(E) \(\pi \times 10^{–9}\)
(A) \(\pi \times 10^{–2}\)
(B) \(\pi \times 10^{–3}\)
(C) \(\pi \times 10^{–4}\)
(D) \(\pi \times 10^{–6}\)
(E) \(\pi \times 10^{–9}\)
Re: A circle has radius 0.001. What is its area?
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13 Apr 2020, 10:34
13 Apr 2020, 10:34
Expert Reply
Given radius,r=0.001=\(10^{-3}\)
Or, \(r^2=(10^{-3})^2=10^{-6}\)
So,area of circle=\(\pi*10^{-6}\)=\(\pi\times 10^{-6}\)
Ans. (D)
Or, \(r^2=(10^{-3})^2=10^{-6}\)
So,area of circle=\(\pi*10^{-6}\)=\(\pi\times 10^{-6}\)
Ans. (D)
A circle has radius 0.001. What is its area?
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Updated on: 05 Oct 2022, 19:56
Updated on: 05 Oct 2022, 19:56
Carcass wrote:
Given radius,r=0.001=\(10^{-3}\)
Or, \(r^2=(10^{-3})^2=10^{-6}\)
So,area of circle=\(\pi*10^{-6}\)=\(\pi\times 10^{-6}\)
Ans. (D)
Or, \(r^2=(10^{-3})^2=10^{-6}\)
So,area of circle=\(\pi*10^{-6}\)=\(\pi\times 10^{-6}\)
Ans. (D)
