The answer would be 3.46 for the length on each side. Find the square root of 12.
Answer:
78 square inches
Step-by-step explanation:
It is given that the length of the glass triangular prism for a telescope=5.5 inches, sides of the triangular prism = 4 inches and height =3 inches.
Thus, Surface area of the triangular prism =
where H is the length of the triangular prism.
SA=
=
=78 square inches.
Hey I’m sure it’s 4! Sorry if I’m wrong that’s quite confusing
Answer:

Step-by-step explanation:
Given that
sin(-A)=tan353.3
A∈(-180, 180)
Required:
Size of A=?
solution:
using calculator we get,

so 
now 
