Online Test — Area and Perimeter Formulas
10 Questions • 15 min • Chapter MCQ
15:00
Question 1 of 10
medium
A rectangle has area 20 sq cm and length 5 cm. What is its width?
4 cm
5 cm
15 cm
100 cm
Explanation: 20 ÷ 5 = 4 cm.
Question 2 of 10
medium
A rectangle has perimeter 24 cm and length 8 cm. What is its width?
4 cm
8 cm
6 cm
16 cm
Explanation: Half of 24 = 12; 12 − 8 = 4 cm.
Question 3 of 10
easy
To find how much carpet a room needs, you find the…
area
perimeter
height
weight
Explanation: Carpet covers the floor → area.
Question 4 of 10
easy
A rectangle is 5 cm by 3 cm. Area?
15 sq cm
8 sq cm
16 sq cm
30 sq cm
Explanation: 5 × 3 = 15 square cm.
Question 5 of 10
easy
A rectangle is 6 cm long and 4 cm wide. Perimeter?
20 cm
24 cm
10 cm
16 cm
Explanation: 2 × (6 + 4) = 20 cm.
Question 6 of 10
hard
A square has area 36 sq cm. What is one side?
6 cm
9 cm
4 cm
18 cm
Explanation: 6 × 6 = 36, so the side is 6 cm.
Question 7 of 10
medium
A square garden has perimeter 40 m. What is one side?
10 m
20 m
4 m
160 m
Explanation: 40 ÷ 4 = 10 m.
Question 8 of 10
easy
Which measures the boundary of a shape?
perimeter
area
volume
weight
Explanation: Perimeter measures around the edge.
Question 9 of 10
medium
Area is measured in square units; perimeter is measured in…
length units
square units
cubic units
no units
Explanation: Perimeter is a length, so it uses cm, m, etc.
Question 10 of 10
medium
A square has a side of 7 cm. Area?
49 sq cm
28 sq cm
14 sq cm
21 sq cm
Explanation: 7 × 7 = 49 square cm.