All ACT Math Resources
Example Questions
Example Question #6 : Tetrahedrons
Calculate the diagonal of a regular tetrahedron (all of the faces are equilateral triangles) with side length .
Possible Answers:
Correct answer:
Explanation:
The diagonal of a shape is simply the length from a vertex to the center of the face or vertex opposite to it. With a regular tetrahedron, we have a face opposite to the vertex, and this basically amounts to calculating the height of our shape.
We know that the height of a tetrahedron is where s is the side length, so we can put into this formula:
which gives us the correct answer.
Satweka
Certified Tutor
Certified Tutor
The University of Texas at Dallas, Master of Science, Biomedical Engineering.
All ACT Math Resources
ACT Math Tutors in Top Cities:
Atlanta ACT Math Tutors, Austin ACT Math Tutors, Boston ACT Math Tutors, Chicago ACT Math Tutors, Dallas Fort Worth ACT Math Tutors, Denver ACT Math Tutors, Houston ACT Math Tutors, Kansas City ACT Math Tutors, Los Angeles ACT Math Tutors, Miami ACT Math Tutors, New York City ACT Math Tutors, Philadelphia ACT Math Tutors, Phoenix ACT Math Tutors, San Diego ACT Math Tutors, San Francisco-Bay Area ACT Math Tutors, Seattle ACT Math Tutors, St. Louis ACT Math Tutors, Tucson ACT Math Tutors, Washington DC ACT Math Tutors
Popular Courses & Classes
GMAT Courses & Classes in Dallas Fort Worth, GMAT Courses & Classes in Los Angeles, Spanish Courses & Classes in Washington DC, GRE Courses & Classes in Washington DC, ACT Courses & Classes in Seattle, SSAT Courses & Classes in Miami, SAT Courses & Classes in Washington DC, ACT Courses & Classes in Los Angeles, MCAT Courses & Classes in Chicago, SAT Courses & Classes in Los Angeles
Popular Test Prep
ACT Test Prep in Seattle, ISEE Test Prep in Miami, ACT Test Prep in Los Angeles, GMAT Test Prep in Dallas Fort Worth, GMAT Test Prep in San Francisco-Bay Area, SAT Test Prep in New York City, GRE Test Prep in Dallas Fort Worth, GMAT Test Prep in Boston, GRE Test Prep in Washington DC, MCAT Test Prep in Phoenix