BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

The height of a tree is measured by means of a cross-staff as shown in the figure above. The horizontal bar DE is

Expert replies
by BTGmoderatorLU » Wed Apr 28, 2021 12:32 pm

Timer

00:00

Answers

A

B

C

D

E

Stats

Difficulty

Source: GMAT Prep
1.jpg
The height of a tree is measured by means of a cross-staff as shown in the figure above. The horizontal bar DE is adjusted up or down until points D, F, and B are in a straight line. Measured on level ground, DE is \(1 \frac{1}{2}\) feet, EF is \(\frac{1}{2}\) foot, GE is 5 feet and GA is 60 feet. How tall is the tree?

A. \(20\frac{1}{2}\) ft
B. \(22\) ft
C. \(24\) ft
D. \(25 \frac{1}{2}\) ft
E. \(26 \frac{1}{2}\) ft

The OA is D
Join the discussion
Source: — Problem Solving |