A rectangular photograph measures 23.3 cm by 19.7 cm, each correct to 1 decimal place Calculate the lower bound for
(a) the perimeter,
(b) the area

Step-by-step explanation:

Perimeter = L+W

=23.3+19.7

=43cm

Area = L×W

=23.3×19.7

=459.01 cm2

Hope it helps :)

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

aloha~! my name is zalgo and i am here to you out on this amazing day. to answer your question, yes, nonzero numbers can have a greatest common factor and that would be 1. still don't get it? let me considering every number is divisible by 1 and hence every number has 1 as a factor of theirs. so, if 2 nonzero numbers didn't share any gcf (greatest common factor), they would still have a factor in common and that would be 1.

i hope that this ! : p

"stay and stay proud! " - zalgo

(by the way, do you mind marking me as brainliest? i'd greatly appreciate it! mahalo! x3)