GRE
The side of the pentagon
The side of the equilateral triangle
$$P$$
$$Q$$
a
60°
The perimeter of ABCD
The sum of the lengths of diagonals AC and BD
The area of △ACE
The area of △BDF
The area of the triangle
65
x-coordinate of C
1.75
The area of the isosceles triangle T
The area of the equilateral triangle W
$$\frac{k^{2}+1}{k^{2}}$$
$$\frac{k^{3}+1}{k^{3}}$$
25000 +道题目
7本备考书籍