GRE
The number different line segments that can be formed when connecting 6 different points on a circle
15
The number of people at the party
8
$$x^{2}$$+$$y^{2}$$
1
$$\frac{111}{1,111}$$
$$\frac{1,111}{11,111}$$
The number of lines in the plane that pass through points P, Q and T
The sum of interior angles of a square
The sum of any four interior angles of a pentagon
The sum of the measures of the interior angles of a square
The sum of the measures of 4 of the interior angles of a regular pentagon
$$x+y$$
$$\sqrt{(x^2+y^2)}$$
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199本备考书籍