Geometry and TrigonometryEasy–MediumTotal edge length of a rectangular box
Geometry and Trigonometry practice question
A rectangular box has dimensions 4 centimetres by 5 centimetres by 6 centimetres. What is the total length, in centimetres, of all 12 of its edges?
Answer: 60
There are four edges of each length: 4(4 + 5 + 6) = 60.
Common wrong answers
- If you answered 15
- 15 is 4 + 5 + 6, one edge of each length.
- If you answered 120
- 120 is the volume (4 × 5 × 6), not an edge total.
- If you answered 148
- 148 is the surface area, 2(20 + 24 + 30).
More Geometry and Trigonometry questions
- Easy–Medium
A circle has a radius of 6. What is its area? (Use A = πr².) - Easy–Medium
A right triangle has legs of length 6 and 8. What is the length of the hypotenuse? - Easy–Medium
A circle has a radius of 5. What is its circumference? (Use C = 2πr.) - Easy–Medium
What is the midpoint of the segment joining the points (2, 3) and (8, 11)? - Easy–Medium
What is the measure, in degrees, of angle B? - Easy–Medium
What is the area, in square centimeters, of the trapezoid?
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