Answers

2015-09-23T18:57:40+05:30
s=√a=a=24/2
60²=√s(s-a)(s-a)(s-24)
3600=144(a²-144)
a²=25+144
a²=169
a=13
so we get the side
and the perimeter is 50



0
how s=root a and root a =a please make us understand.
it is done by heron's formula
ok thax.