Question

In which shape are all the faces congruent and adjacent faces perpendicular?

a
https://app136.studyisland.com/pics/117931cube.png

b
https://app136.studyisland.com/pics/117931cone.png

c
https://app136.studyisland.com/pics/117931squarepyramid.png

d
https://app136.studyisland.com/pics/117931rectprism1.png

Answer 1

which one do you think it is?

Answer 2

idk lol

Answer 3

do you know what "perpendicular" means?

Answer 4

it has something to do with a 90 degree angle

Answer 5

correct

Answer 6

so which 3D figure has only right angles?

Answer 7

the first one

Answer 8

yep and the fourth one

but the fourth one doesn't have all of its faces congruent to each other

Answer 9

thanks

Answer 10

np