Area and Perimeter (Copy)
Q1 (Non-Calculator)
Find the perimeter and area of a rectangle with length 8 cm and width 5 cm.
Solution:
Perimeter = 2 × (8 + 5) = 2 × 13 = 26 cm
Area = 8 × 5 = 40 cm²
Answer:
Perimeter = 26 cm
Area = 40 cm²
Q2 (Non-Calculator)
Find the area of a triangle with base 10 cm and height 7 cm.
Solution:
Area = (1/2) × base × height
Area = (1/2) × 10 × 7
Area = 5 × 7
Area = 35 cm²
Answer:
35 cm²
Q3 (Non-Calculator)
A triangle has sides 6 cm, 8 cm, and 10 cm. Find its perimeter.
Solution:
Perimeter = 6 + 8 + 10 = 24 cm
Answer:
24 cm
Q4 (Non-Calculator)
Find the area of a parallelogram with base 12 cm and perpendicular height 9 cm.
Solution:
Area = base × height
Area = 12 × 9
Area = 108 cm²
Answer:
108 cm²
Q5 (Non-Calculator)
The sides of a parallelogram are 10 cm and 6 cm. Find its perimeter.
Solution:
Perimeter = 2 × (10 + 6)
Perimeter = 2 × 16
Perimeter = 32 cm
Answer:
32 cm
Q6 (Calculator)
Find the area of a trapezium with parallel sides 8 cm and 5 cm, and height 4 cm.
Solution:
Area = (1/2) × (a + b) × height
Area = (1/2) × (8 + 5) × 4
Area = (1/2) × 13 × 4
Area = 26 cm²
Answer:
26 cm²
Q7 (Calculator)
Find the perimeter of a trapezium with sides 7 cm, 5 cm, 4 cm, and 6 cm.
Solution:
Perimeter = 7 + 5 + 4 + 6
Perimeter = 22 cm
Answer:
22 cm
Q8 (Calculator)
A rectangle has a length of 3.5 m and a width of 2.4 m. Find its area.
Solution:
Area = 3.5 × 2.4
Area = 8.4 m²
Answer:
8.4 m²
Q9 (Calculator)
Find the area of a triangle with base 15 m and height 6.5 m.
Solution:
Area = (1/2) × 15 × 6.5
Area = 7.5 × 6.5
Area = 48.75 m²
Answer:
48.75 m²
Q10 (Calculator)
Find the perimeter of a rectangle with length 12.8 cm and width 9.6 cm.
Solution:
Perimeter = 2 × (12.8 + 9.6)
Perimeter = 2 × 22.4
Perimeter = 44.8 cm
Answer:
44.8 cm