What is the total surface area of a cube with side 2.5 cm?

Answer as guest — Start Free Practice Test to earn Practice PointsHow to earn pointsAsk a question+3Answer a question+1Someone answers yours+1Your Q gets upvoted+1Pioneer bonus (first 5)+51 point = ₹1 discount on purchases, ask questions & climb the leaderboard!

• A 37.5 cm²
• B 46.5 cm²
• C 32.5 cm²
• D 62.5 cm²

Submit Answer

Show answer and explanation

Answer: A. 37.5 cm²

Total surface area = 6a² = 6 × 2.5 × 2.5 = 6 × 6.25 = 37.5 cm².

Answering after opening this box earns no Practice Points.