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# What is the length of the line segment that extends from point a to po

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Math Expert
Joined: 02 Sep 2009
Posts: 56300
What is the length of the line segment that extends from point a to po  [#permalink]

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23 Aug 2018, 03:45
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Difficulty:

15% (low)

Question Stats:

90% (00:54) correct 10% (00:56) wrong based on 26 sessions

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What is the length of the line segment that extends from point a to point b if point a at is at (5, 4) and point b is at (9, 8)?

A. 2

B. 3

C. 4

D. $$4\sqrt{2}$$

E. $$4\sqrt{3}$$

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Joined: 01 Oct 2017
Posts: 1028
WE: Supply Chain Management (Energy and Utilities)
Re: What is the length of the line segment that extends from point a to po  [#permalink]

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23 Aug 2018, 03:54
Bunuel wrote:
What is the length of the line segment that extends from point a to point b if point a at is at (5, 4) and point b is at (9, 8)?

A. 2

B. 3

C. 4

D. $$4\sqrt{2}$$

E. $$4\sqrt{3}$$

Length ab=$$\sqrt{(9-5)^2+(8-4)^2}$$=$$\sqrt{4^2+4^2}$$=$$\sqrt{32}$$=$$4\sqrt{2}$$

Ans. (D)
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Re: What is the length of the line segment that extends from point a to po   [#permalink] 23 Aug 2018, 03:54
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