Foundation Mathematics Primary 4 Area and Perimeter

The perimeter of a rectangular field is 84 m. The length of the field is 27 m. Find the breadth of the field.

A 21 m
B 15 m
C 57 m
D 30 m
Show Worked Solution

Worked Solution

Step 1: Use the perimeter formula: Perimeter = 2 × (Length + Breadth). Step 2: Substitute values: 84 = 2 × (27 + Breadth). Step 3: Halve both sides: 42 = 27 + Breadth. Step 4: Breadth = 42 − 27 = 15 m. Answer: 15 m

Correct answer: 15 m

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free