[求助] A question with Geometry + Ratio

leslieshih

In triangle PQR, points A and B are midpoints of segments PQ and PR respectively.

What is the ratio of the area of quadrilateral ABRQ to the area of triangle PQR?

A. 1/2

B. 2/3

C. 3/4

D. 4/5

E. 5/6

 

 

 

[此贴子已经被作者于2006-11-26 13:49:13编辑过]

iamsleeping

i choose c. triangle PAB and triangle PQR are similar triangles. PAQ=1:2, so PABQR=1:4. draw a sketch and you will know.