2013 · Q80
ABCD is a trapezium with parallel sides AB=2 cm and DC=3 cm. E and F are the mid-points of the non-parallel sides. The ratio of area of ABFE to area of EFCD is
Elementary MathematicsMensuration
- A9:10
- B8:9
- C9:11
- D11:9
Explanation
EF=2.5; areas (2+2.5)/2:(2.5+3)/2=4.5:5.5=9:11. Answer C.