Question

David made this model of a pyramid.
Which option best describes the length of the unknown side of David’s pyramid?

between 10 cm and 30 cm

greater than 32 cm

less than 10 cm

between 30 cm and 32 cm

Answer 1

what answer did you say again?

Answer 2

im sorry im confused?

Answer 3

@jim_thompson5910

Answer 4

hint: triangle inequality theorem

Answer 5

so subtract the smaller side from larger? @jim_thompson5910

Answer 6

no, have a look at this page

http://www.mathopenref.com/triangleinequality.html

Answer 7

oh nvm, yes to find the lower bound, do 20-10

the upper bound is 20+10

Answer 8

ok i got A ;) ??

Answer 9

good

Answer 10

@jim_thompson5910 can you check to see if i got this other question right, i tagged you in it. It was about a construction sandy made

Answer 11

where?