- A4,800 sq cm
- B4,200 sq cm
- C6,000 sq cm
- D5,350 sq cm
Step-by-Step Solution
Panel = sq cm. Slot = sq cm. Area = 5,400 − 600 = 4,800 sq cm. (5,350 subtracts 30 + 20 = 50.)
Answer: A) 4,800 sq cm
A bookshelf's back panel is a 90 cm × 60 cm rectangle with a 30 cm × 20 cm slot cut out for wires. What is the panel's area?
Class 6Area of Combined ShapesMensuration
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