1992 AMC 8 Problem 5
Attempt Problem 5 of the 1992 AMC 8 below, then check your answer against the professionally curated solution from LIVE by Po-Shen Loh. You can also try the full timed exam, view all 1992 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
5.
A circle of diameter is removed from a rectangle, as shown. Which whole number is closest to the area of the shaded region?
Answer: E
Small hint:
The rectangle has area ; subtract the area of the circle
Big hint:
The circle has radius so its area is a little less than
Solution:
The rectangle has area and the removed circle has area
So the shaded region has area whose closest whole number is
Thus, the correct answer is E .
Problem 5 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
- 1988 AMC 8
- 1989 AMC 8
- 1990 AMC 8
- 1991 AMC 8
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