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
If the length and the width of a rectangle are both tripled, the ratio of the area of the original rectangle to the area of the enlarge rectangle is
1:5
1:7
1:9
9:1
The length of a rectangle with area 12 cm2 is three times the rectangle's width. What is the perimeter of the rectangle?
8 cm
11 cm
15 cm
16 cm
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 figure is given belowradius OA=3 cm. Calculate the area of the shaped region.
If cylinder A has a height twice that of cylinder B and a radius half that of cylinder B, what is the ratio between the volume of cylinder A and the volume of cylinder B?
1:6
2:1
1:2
4:1
Three congruent squares are arranged in a row., If the perimeter of ABCD is 80 cm, the area of ABCD is-
280 cm2
312 cm2
540 cm2
300 cm2
The hypotenuse of a right triangle is 13 cm and one side is 12 cm. Then the length of the other side of the triangle is-
3 cm
5 cm
24 cm
40 cm
What is the area of the rectangle in sq. units in the figure?
8
12
14
21
