单选题 What is the volume of the right triangular prism in the figure below?
200 cm3
100cm3
100cm3
100/3 cm3
cm3
单选题 Two polygons must congruent if ______.
they are both regular
they have the same number of sides
their corresponding sides and angles are equal
their corresponding sides are equal
they have the same shape
单选题 In the figure above, if AB is a diameter of circle P, what is the perimeter of the shaded region?
4π+8
8π+4
8π+8
16π+4
16π+8
单选题 The center of a circle is (2, 1) and the point (-3, 13) is on the circle. What is the area of the circle?
25π
144π
169π
196π
225π
单选题 If two sides of a triangle are 4 and 5, then the third side cannot be ______.
2
3
7
8
10
单选题 What is the lateral area of the right circular cone shown in the following figure?
50
75
100
单选题 In the figure below, ORST is a parallelogram with OR = OT. What is the perimeter of parallelogram ORST?
20
32
40
64
单选题 In the following figure, l1 ∥l2. If BC=x, and BD=y, then which of the following represents the ratio of FG to EF?
y/x-1
1+y/x
1-y/x
1-x/y
1+x/y
单选题 In the following figure 6. FGHIJK is a regular hexagon with a perimeter of 36. What is the length of ?
10.4
8.5
6
5.2
7.1
单选题 The conical tank below is filled with liquid. How much liquid has poured from the tip of the cone if the water level is 9 feet from the tip?
67ft3
57ft3
47ft3
37ft3
27ft3