1989 AJHSME Problems/Problem 15
Revision as of 16:23, 8 June 2009 by 5849206328x (talk | contribs) (New page: ==Problem== The area of the shaded region <math>\text{BEDC}</math> in parallelogram <math>\text{ABCD}</math> is <asy> unitsize(10); pair A,B,C,D,E; A=origin; B=(4,8); C=(14,8); D...)
Problem
The area of the shaded region in parallelogram is
Solution
Let denote the area of figure .
Clearly, . Using basic area formulas,
Since and , and the area of is .
Finally, we have
See Also
1989 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 14 |
Followed by Problem 16 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |