AnaisV57341 AnaisV57341
  • 03-11-2022
  • Mathematics
contestada

calculate the surface area of a tetrahedron with four faces and a base of 1 square foot and a height of 0.866 foot

calculate the surface area of a tetrahedron with four faces and a base of 1 square foot and a height of 0866 foot class=

Respuesta :

JedediahJ427145 JedediahJ427145
  • 03-11-2022

The surface area is given by:

[tex]SA=B+\frac{1}{2}ph[/tex]

Where:

B = Area of the base

h = height

p = Perimeter of the base

so:

[tex]\begin{gathered} SA=1+\frac{1}{2}(4)(0.866) \\ SA=2.732ft^2 \end{gathered}[/tex]

Answer Link

Otras preguntas

63 students choose to attend one of three after school activities: football, tennis or running. There are 38 boys. 20 students choose football, of which 19 are
why is it necessary to seperate oxygenated and deoxygenated blood in mamals and birds? explain​
duties of a journalist, dot points
PLEASE help me answer this question!!!!
1. While analyzing the global impact between the world's two superpowers, the United States and the Soviet Union, discuss the political, economic, and military
PLEASE help me with this question ASAP!!!!
* *4.8.21Question HelpAfter the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1982, the hay in that country was
1.) Which movie had the Lower Q3 as shown in the box plot? Movie A Movie B Both about the same
find the area of a sector of a circle with radius 6 centimetre if angle of sector is 60 degree​
Write an Article on Digital Learning experience and future of schools and education in 200 – 250 words.