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anonymous
 one year ago
what is the surface area of the rectangular prism. with a base of 7 lenghth of 6 hight of 12
anonymous
 one year ago
what is the surface area of the rectangular prism. with a base of 7 lenghth of 6 hight of 12

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imqwerty
 one year ago
Best ResponseYou've already chosen the best response.0dw:1439743263291:dw

imqwerty
 one year ago
Best ResponseYou've already chosen the best response.0so total surface area = sum of surface areas of all the sides

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no the 7 and 6 are switched around

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0multiply them all up or add them all up

imqwerty
 one year ago
Best ResponseYou've already chosen the best response.0dw:1439743389160:dw

imqwerty
 one year ago
Best ResponseYou've already chosen the best response.0so this figure has 6 faces

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so 6 times all numbers?

imqwerty
 one year ago
Best ResponseYou've already chosen the best response.0we need to find out the surface area of all of them and add all the surface areas

imqwerty
 one year ago
Best ResponseYou've already chosen the best response.0formula for total surface area of a rectangular prism = 2(ab + bc +ca) where a, b , c are the side lengths :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay i am kinda of confused? so i just in put the numbers?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.0Here's another way of doing it. Find the area of the large rectangle which is 26 by 12. Then add the area of two bases which are 6 by 7 each. dw:1439743555089:dw