4s pyramid
A regular tetrahedral pyramid has a base edge a=8 and a collateral edge length b=20.
What is its height?
  What is its height?
Final Answer:

Tips for related online calculators
  You need to know the following knowledge to solve this word math problem:
arithmeticsolid geometryplanimetricsGrade of the word problem
Related math problems and questions:
- Church roof 
 The roof of the church tower has the shape of a regular tetrahedral pyramid with a base edge length of 5.4 meters and a height of 5 m. It was found that the 27% covering of the roof area needs to be corrected. What amount of material will be required? - Tetrahedral pyramid 
 What is the surface of a regular tetrahedral (four-sided) pyramid if the base edge a=16 and height v=16? - Tetrahedral pyramid 
 It is given a regular tetrahedral pyramid with a base edge of 6 cm and a height of pyramid 10 cm. Calculate the length of its side edges. - Tetrahedral pyramid 
 A regular tetrahedral pyramid is given. Base edge length a = 6.5 cm, side edge s = 7.5 cm. Calculate the volume and the area of its face (side area). - Equilateral  tetrahedral pyramid 
 The base edge of a regular tetrahedral pyramid is a = 4 cm. The base and walls are equilateral. Calculate the surface of this pyramid. - Quadrilateral pyramid 
 Calculate the volume of a regular quadrilateral pyramid, which has the size of the base edge a = 12 cm and a height of 11 cm. - Tetrahedral pyramid 
 Calculate the volume and surface area of a regular tetrahedral pyramid; its height is $b cm, and the length of the edges of the base is 6 cm. 
