Area of Plane Figures II - JSS3 Mathematics Past Questions and Answers - page 1
What is the formula for the area of a sector of a circle?
𝜃360∘×𝜋𝑟^2
360∘𝜃×𝜋𝑟^2
𝜃×𝜋𝑟^2
𝜋𝑟𝜃
A circle has a radius of 6 meters. What is the area of the circle?
12𝜋 square meters
18𝜋 square meters
36𝜋 square meters
72𝜋 square meters
If the radius of a circle is doubled, how does the area change?
Increases by a factor of 2
Increases by a factor of 4
Decreases by a factor of 2
Stays the same
What is the area of a rectangle with length 10 meters and width 4 meters?
14 square meters
36 square meters
40 square meters
44 square meters
How many square tiles of 2 meters by 2 meters are needed to cover a square area of 16 square meters?
2 tiles
4 tiles
6 tiles
8 tiles
The central angle of a sector is 45∘, and the radius is 8 meters. What is the area of the sector?
4𝜋 square meters
8𝜋 square meters
16𝜋 square meters
32𝜋 square meters
What is the area of a triangle with base 6 meters and height 8 meters?
24 square meters
26 square meters
32 square meters
48 square meters
A circular garden has a diameter of 14 meters. What is its area in square meters?
28𝜋
49𝜋
98𝜋
196𝜋
The area of a square field is 121 square meters. What is the length of one side of the field?
9 meters
11 meters
12 meters
13 meters
Find the area of a circle with radius 5 meters.
Area=𝜋×(5 m)^2
Area=𝜋×25
Area=25𝜋
Area≈78.54 square meters