1991 AMC 8 Problem 10
Attempt Problem 10 of the 1991 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 1991 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
10.
The area in square units of the region enclosed by parallelogram is
Answer: B
Small hint:
Take as the base; it is horizontal from to
Big hint:
The area is base times height, where the height is the vertical distance between the two horizontal sides
Solution:
Side runs from to so the base is The opposite side lies on the -axis, so the height is
The area is
Thus, the correct answer is B .
Problem 10 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
- 1988 AMC 8
- 1989 AMC 8
- 1990 AMC 8
- 1992 AMC 8
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