What is the total surface area of a cuboid measuring 3 cm by 9 cm by 9 cm?

Answer and explanation

Correct answer: D. cm²

  1. Step 1: Surface area .
  2. Step 2: cm².
Answer
cm².
Why not the others: cm²: The volume was computed instead. cm²: The factor 2 was forgotten. cm²: The edges were added.

Practise more Quantitative Problem Solving and Geometry.

Free questions with an explanation for every one, and full timed Jubilee Institute Admission Test mock tests.