1989 AMC 8 Problem 10
Attempt Problem 10 of the 1989 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 1989 AMC 8 solutions, or check the answer key.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
10.
How many degrees are in the smaller angle between the hour hand and the minute hand of a clock that reads seven o’clock?
Answer: D
Small hint:
The hour marks split the clock face into equal angles
Big hint:
Each hour mark is at seven o’clock the hands are marks apart the short way
Solution:
The numbers divide the clock into equal sections of each.
At seven o’clock the hands point to and which are sections apart the short way, giving
Thus, the correct answer is D .
Problem 10 in other years
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
- 1988 AMC 8
- 1990 AMC 8
- 1991 AMC 8
- 1992 AMC 8
- 1993 AMC 8
- 1994 AMC 8
- 1995 AMC 8
- 1996 AMC 8
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- 1999 AMC 8
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