contestada

a triangular pyramid has a surface area of 336 square inches, it is made up of equilateral triangles with a side length of 12 inches, what is the slant height

Respuesta :

irspow
Since the sides are equilateral triangles the slant height is the same as the normal height of an equilateral triangle with sides of 12 inches...

sin60=h/12

h=12sin60 in

h=10.4 in (to nearest tenth)

Otras preguntas