1、GRE（ QUANTITATIVE）综合模拟试卷 11及答案与解析 1 What is the sum of the measures of the interior angles of a decagon(10-sided polygon)? 2 If the decagon in exercise 4 is regular, what is the measure of each interior angle? 3 The lengths of two sides of an isosceles triangle are 15 and 22, respectively. What are
2、the possible values of the perimeter? 4 Triangles PQR and XYZ are similar. If PQ = 6,PR = 4, and XY = 9, what is the length of side XZ? 5 Lines l and m below are parallel. Find the values of x and y. 6 In the figure below, AC = BC. Find the values of x and y. 7 In the figure below, what is the relat
3、ionship between x, y, and z? 8 What are the lengths of sides NO and OP in triangle NOP below? 9 In the figure below, AB = BC = CD. If the area of triangle CDE is 42, what is the area of triangle ADG? 9 In rectangle ABCD below, AB = 5,AF = 7, and FD = 3. Find the following.(a)Area of ABCD(b)Area of t
4、riangle AEF(c)Length of BD(d)Perimeter of ABCD 13 In parallelogram ABCD below, find the following.(a)Area of ABCD(b)Perimeter of ABCD(c)Length of diagonal BD GRE（ QUANTITATIVE）综合模拟试卷 11答案与解析 1 【正确答案】 1,440 2 【正确答案】 144 3 【正确答案】 52 and 59 4 【正确答案】 6 5 【正确答案】 x = 57 and y = 138 6 【正确答案】 x = 70 and y = 125 7 【正确答案】 z = x + y 8 【正确答案】 NO = 30 and OP - 10 9 【正确答案】 378 10 【正确答案】 50 11 【正确答案】 17.5 12 【正确答案】 5 13 【正确答案】 30 14 【正确答案】 48 15 【正确答案】 24 + 4 16 【正确答案】 2
