aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
  • Math and Logic Puzzles
  • A cube measures y cm on a side. If the surface area of th...
Multiple choice general knowledge math & puzzles

A cube measures y cm on a side. If the surface area of the cube is 294 square centimetres, what is y (correct to 2 decimal places)?

  1. 6.65 cm

  2. 7.00 cm

  3. 49.00 cm

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Surface area of a cube is 6y^2. Given 6y^2 = 294, then y^2 = 49. Taking the square root gives y = 7.00 cm.

Keep practicing — related questions

  • What is the surface area of a cube measuring 4 cm on an edge
  • How many of the following numbers are divisible by 132 ?264, 396, 462, 792, 968, 2178, 5184, 6336
  • How many of the following numbers are divisible by 132 ?264, 396, 462, 792, 968, 2178, 5184, 6336
  • An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when th...
  • It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?
  • Other things held constant, the value of an option depends on the stock's price, the risk-free rate, and the
  • A father said to his son, "I was as old as you are at the present at the time of your birth". If the father...
  • A company has just issued $5 million of mandatory redeemable preferred shares with a par value of $100 per ...
Play the full quiz 🎤 Practise this topic out loud

Practice this chapter

  • Mensuration (2507 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy