GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
ΔABC above is an isosceles triangle in which AB = AC. What i
[#permalink]
22 Sep 2020, 04:49
22 Sep 2020, 04:49
Expert Reply
00:00
Question Stats:
93% (00:34) correct
6% (01:05) wrong based on 46 sessions
Hide Show timer Statistics
Attachment:
GRE ABC above is an isosceles triangle in which.png [ 14.46 KiB | Viewed 2176 times ]
\(ΔABC\) above is an isosceles triangle in which AB = AC. What is the area of \(ΔABC\) ?
A. 30
B. 24
C. 20
D. 15
E. 12
Re: ΔABC above is an isosceles triangle in which AB = AC. What i
[#permalink]
29 Sep 2020, 10:31
29 Sep 2020, 10:31
1
Expert Reply
Post A Detailed Correct Solution For The Above Questions And Get A Kudos.
Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
For more theory and practice see our GRE - Math Book
Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
For more theory and practice see our GRE - Math Book
Re: ΔABC above is an isosceles triangle in which AB = AC. What i
[#permalink]
29 Sep 2020, 20:17
29 Sep 2020, 20:17
1
given isosceles triangle
so AC=AB=5
for finding height of triangle draw a peripendicular from point A to side BC
now BD=DC=3
height of triangle will be =\(\sqrt{(5^2 - 3^2 )}\)=4
area of triangle ABC=(1/2)*6*4 =12
option E is correct
so AC=AB=5
for finding height of triangle draw a peripendicular from point A to side BC
now BD=DC=3
height of triangle will be =\(\sqrt{(5^2 - 3^2 )}\)=4
area of triangle ABC=(1/2)*6*4 =12
option E is correct
Attachments
GRE ABC above is an isosceles triangle in which.png [ 18.93 KiB | Viewed 1967 times ]
