Online Test — Perimeter & Area
10 Questions • 15 min • Chapter MCQ
15:00
Question 1 of 10
Find the area of a rectangle with length 15 cm and width 8 cm.
120 cm²
46 cm²
23 cm²
120 cm
Explanation: A = l × w = 15 × 8 = 120 cm²
Question 2 of 10
A square has area 64 m². What is its side length?
8 m
16 m
32 m
4 m
Explanation: s = √64 = 8 m
Question 3 of 10
Area of a triangle with base 12 cm and height 7 cm is:
84 cm²
42 cm²
42 cm
84 cm
Explanation: A = ½ × 12 × 7 = 42 cm²
Question 4 of 10
Find the area of a parallelogram with base 10 m and height 6 m.
60 m²
30 m²
16 m²
60 m
Explanation: A = b × h = 10 × 6 = 60 m²
Question 5 of 10
A trapezium has parallel sides 8 cm and 12 cm, height 5 cm. Its area is:
100 cm²
50 cm²
40 cm²
20 cm²
Explanation: A = ½ × (8+12) × 5 = ½ × 20 × 5 = 50 cm²
Question 6 of 10
Find the perimeter of a rectangle 9 cm by 4 cm.
36 cm
26 cm
13 cm
36 cm²
Explanation: P = 2(9+4) = 2 × 13 = 26 cm
Question 7 of 10
A triangle has sides 5 cm, 6 cm, and 7 cm. Its perimeter is:
18 cm
17 cm
19 cm
20 cm
Explanation: P = 5 + 6 + 7 = 18 cm
Question 8 of 10
What is the area of a square with perimeter 40 cm?
100 cm²
160 cm²
80 cm²
400 cm²
Explanation: Side = 40÷4=10 cm; Area = 10²=100 cm²
Question 9 of 10
An L-shaped figure is made of two rectangles: 6×4 and 3×2. Total area is:
30 cm²
24 cm²
18 cm²
12 cm²
Explanation: 6×4=24, 3×2=6, total=30 cm²
Question 10 of 10
A parallelogram has area 84 cm² and base 12 cm. Its height is:
7 cm
8 cm
9 cm
6 cm
Explanation: h = A ÷ b = 84 ÷ 12 = 7 cm