Standard Mathematics Primary 4 Area and Perimeter

The figure shows a piece of stage flooring made up of two rectangles joined to form an L-shape. Rectangle A measures 8 m by 5 m. Rectangle B measures 12 m by 4 m. The flooring is to be carpeted at $35 per square metre. Find the total cost of the carpet.

A $3 080
B $880
C $1 680
D $1 400
Show Worked Solution

Worked Solution

Step 1: Area of Rectangle A. 8 × 5 = 40 m². Step 2: Area of Rectangle B. 12 × 4 = 48 m². Step 3: Total area of the L-shape. 40 + 48 = 88 m². Step 4: Total cost at $35 per m². 88 × $35 = $3 080. Answer: $3 080

Correct answer: $3 080

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

Start Free Trial — 7 Days Free