Anet and the prism it will form when it is folded are shown below.
what is the surface area of the prism in square centimeters?
a)724 square centimeters
b)972 square centimeters
c)1,089 square centimeters
d)1,320 square centimeters

Option A)724 square centimeters

Step-by-step explanation:

we know that

The surface of the prism is equal to the area of its six rectangular faces

The surface area is equal to

where

B is the area of the base

P is the perimeter of the base

H is the height of the prism

we have

Find the area of the base B

Find the perimeter of the base P

Find the surface area SA

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )