Aglass triangular prism for a telescope is 5.5 inches long. each side of the prism's triangular bases is 4 inches long and 3 inches high. how much glass covers the surface of the prism? the answer choices are: 75, 76, 77, and 78. this is due tomorrow morning,

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.

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to [tex]\frac{1}{60} hr\\[/tex]

then mult. both sides by 75 we get the ratio

75 mi. to [tex]\frac{75}{60} hr\\[/tex]

simplifying we get

75 mi. to [tex]\frac{5}{4} hr[/tex]

or 1.25 hr.