A figure is given belowradius OA=3 cm. Calculate the area of the shaped region.
Two cardboard boxes have equal volume. The dimensions of one box are 6 cm x 8 cm x 10 cm. If the length of the other box is 4 cm and the width is 6 cm. What is the height (in cm) of the second box?
20
30
54
65
If each of the dimensions of a rectangle is increased 100%, the area is increased:
150%
200%
300%
500%
A piece of wire is shaped to enclose a square, whose area is 121 square cm. It is then reshaped to enclose a rectangle whose length is 13 cm. The area of the rectangle, (in square cm) is-
81 cm2
95 cm2
117 cm2
178 cm2
On the xy-plane, a circle has centre (2-1) and the point (-3,3) lies along the circle's circumference. What is the square-unit area of the circle?
24
39
41
56
A cube has an edge that is 4 cm long. If the edge is increased by 25%, then the volume is increased by approximatley-
42%
64%
81%
95%
Right circular cylinder P has a radius of 3 cm and a height of 4 cm. If the volume of P is equal to the volume of right circular cylinder Q, which has a radius of 2 cm, what is the height of Q?
7 cm
9 cm
17 cm
24 cm
A closed rectangular box with a square base is 5 cm in height. If the volume of the box is 45 cubic cm, what is the box's surface area in square cm?
72
78
92
If a circle's circumference is 10 centimetres long. What is the area of the circle, in square centimetres?
14
12
32
25
The radius of a circle that has a circumference equal to the perimeter of a hexagon whose sides are each 22 cm, long is closest in length to which of the following?
15 cm
21 cm
32 cm