| 1861 |
AMC 12 1995 A Q18 |
Two rays with common endpoint \(O\) forms a \(30^\... |
1500.00 |
| 1862 |
AMC 12 1995 A Q21 |
Two nonadjacent vertices of a rectangle are \((4,3... |
1500.00 |
| 1863 |
AMC 12 1995 A Q22 |
A pentagon is formed by cutting a triangular corne... |
1500.00 |
| 1864 |
AMC 12 1995 A Q23 |
The sides of a triangle have lengths \(11\),\(15\)... |
1500.00 |
| 1865 |
AMC 12 1995 A Q26 |
In the figure, \(\overline{AB}\) and \(\overline{C... |
1500.00 |
| 1866 |
AMC 12 1995 A Q27 |
Consider the triangular array of numbers with \(0,... |
1500.00 |
| 1867 |
AMC 12 1995 A Q30 |
A large cube is formed by stacking \(27\) unit cub... |
1500.00 |
| 1868 |
AMC 12 1989 A Q3 |
A square is cut into three rectangles along two li... |
1500.00 |
| 1869 |
AMC 12 1989 A Q5 |
Toothpicks of equal length are used to build a rec... |
1500.00 |
| 1870 |
AMC 12 1989 A Q6 |
If \(a,b > 0\) and the triangle in the first quadr... |
1500.00 |
| 1871 |
AMC 12 1989 A Q7 |
In \(\triangle ABC, \angle A = 100^\circ, \angle B... |
1500.00 |
| 1872 |
AMC 12 1989 A Q9 |
Mr. and Mrs. Zeta want to name their baby Zeta so ... |
1500.00 |
| 1873 |
AMC 12 1989 A Q10 |
Consider the sequence defined recursively by \(u_1... |
1500.00 |
| 1874 |
AMC 12 1989 A Q12 |
The traffic on a certain east-west highway moves a... |
1500.00 |
| 1875 |
AMC 12 1989 A Q13 |
Two strips of width 1 overlap at an angle of \(\al... |
1500.00 |
| 1876 |
AMC 12 1989 A Q14 |
\(\cot 10 + \tan 5 =\)
$$\textbf{(A)}\ \csc 5 \... |
1500.00 |
| 1877 |
AMC 12 1989 A Q15 |
In \(\triangle ABC\), \(AB = 5, BC = 7, AC = 9\) a... |
1500.00 |
| 1878 |
AMC 12 1989 A Q16 |
A lattice point is a point in the plane with integ... |
1500.00 |
| 1879 |
AMC 12 1989 A Q17 |
The perimeter of an equilateral triangle exceeds t... |
1500.00 |
| 1880 |
AMC 12 1989 A Q19 |
A triangle is inscribed in a circle. The vertices ... |
1500.00 |