Mensurationhard · Past Paper
What is the volume of a tetrahedron with edge length 'a'?
Aa³/(6√2)
Ba³/(12√2)
Ca³√2/12
Da³√2/4
✓ Correct Answer: C — a³√2/12
The formula for the volume of a regular tetrahedron is V = a³ / (6√2) = a³√2 / 12.
Share this question
More from Mensuration
- Calculate the area of the ring between two concentric circles of radii 10 cm and 7 cm.
- A pyramid has a height of 15 cm and its base is a right-angled triangle with sides 5 cm, 12 cm, and 13 cm. Find its volume.
- The volume of a sphere is 4.5π cm³. What is its radius?
- What is the area of an equilateral triangle with side length 4 cm?
- The diagonal of a square is 10 cm. What is its area?