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In the figure, if AB = 8, BC = 6, AC = 10 and CD = 9, then A
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30 Sep 2018, 09:14
30 Sep 2018, 09:14
Expert Reply
00:00
Question Stats:
85% (00:44) correct
14% (01:27) wrong based on 21 sessions
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#GREpracticequestion In the figure, if AB = 8.jpg [ 14.4 KiB | Viewed 3769 times ]
In the figure, if AB = 8, BC = 6, AC = 10 and CD = 9, then AD =
(A) 12
(B) 13
(C) 15
(D) 17
(E) 24
Re: In the figure, if AB = 8, BC = 6, AC = 10 and CD = 9, then A
[#permalink]
11 Apr 2020, 10:26
11 Apr 2020, 10:26
Expert Reply
From the measure of various sites of triangle ABC, we can see that it is a right angle triangle whose right angle is at Angle B.
Applying Pythagoras theorem to triangle ABD: we can find the measure of AD.
AD^2=AB^2 + BD^2
AD^2= 8*8 + 15*15
AD=17, hence option D is the correct one.
Applying Pythagoras theorem to triangle ABD: we can find the measure of AD.
AD^2=AB^2 + BD^2
AD^2= 8*8 + 15*15
AD=17, hence option D is the correct one.
gmatclubot
Re: In the figure, if AB = 8, BC = 6, AC = 10 and CD = 9, then A [#permalink]
11 Apr 2020, 10:26
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