| 2021 |
AMC 12 1994 A Q6 |
In the sequence
\[ ..., a, b, c, d, 0, 1, 1, 2, 3... |
1500.00 |
| 2022 |
AMC 12 1994 A Q7 |
Squares \(ABCD\) and \(EFGH\) are congruent, \(AB=... |
1500.00 |
| 2023 |
AMC 12 1994 A Q8 |
In the polygon shown, each side is perpendicular t... |
1500.00 |
| 2024 |
AMC 12 1994 A Q9 |
If \(\angle A\) is four times \(\angle B\), and th... |
1500.00 |
| 2025 |
AMC 12 1994 A Q11 |
Three cubes of volume \(1, 8\) and \(27\) are glue... |
1500.00 |
| 2026 |
AMC 12 1994 A Q12 |
If \(i^2=-1\), then \((i-i^{-1})^{-1}=\)
$$ \te... |
1500.00 |
| 2027 |
AMC 12 1994 A Q13 |
In triangle \(ABC\), \(AB=AC\). If there is a poin... |
1500.00 |
| 2028 |
AMC 12 1994 A Q14 |
Find the sum of the arithmetic series
\[ 20+20\fr... |
1500.00 |
| 2029 |
AMC 12 1994 A Q15 |
For how many \(n\) in \(\{1, 2, 3, ..., 100 \}\) i... |
1500.00 |
| 2030 |
AMC 12 1994 A Q16 |
Some marbles in a bag are red and the rest are blu... |
1500.00 |
| 2031 |
AMC 12 1994 A Q18 |
Triangle \(ABC\) is inscribed in a circle, and \(\... |
1500.00 |
| 2032 |
AMC 12 1994 A Q19 |
Label one disk "\(1\)", two disks "\(2\)", three d... |
1500.00 |
| 2033 |
AMC 12 1994 A Q20 |
Suppose \(x,y,z\) is a geometric sequence with com... |
1500.00 |
| 2034 |
AMC 12 1994 A Q21 |
Find the number of counter examples to the stateme... |
1500.00 |
| 2035 |
AMC 12 1994 A Q26 |
A regular polygon of \(m\) sides is exactly enclos... |
1500.00 |
| 2036 |
AMC 12 1994 A Q28 |
In the \(xy\)-plane, how many lines whose \(x\)-in... |
1500.00 |
| 2037 |
AMC 12 1994 A Q29 |
Points \(A, B\) and \(C\) on a circle of radius \(... |
1500.00 |
| 2038 |
AMC 12 1985 A Q3 |
In right \( \triangle ABC\) with legs \( 5\) and \... |
1500.00 |
| 2039 |
AMC 12 1985 A Q4 |
A large bag of coins contains pennies, dimes, and ... |
1500.00 |
| 2040 |
AMC 12 1985 A Q7 |
In some computer languages (such as APL), when the... |
1500.00 |